Home / 78,646,500-122,110,467.75

Finding the Third Proportional to 78,646,500 and 122,110,467.75

Calculator

Solution

The third proportional to 78,646,500 and 122,110,467.75 is: 189,594,785.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,646,500 : 122,110,467.75 = 122,110,467.75 : x
  2. Step 2: Convert to fraction form
    78,646,500/122,110,467.75 = 122,110,467.75/x
  3. Step 3: Cross multiply
    78,646,500x = 122,110,467.75 × 122,110,467.75
  4. Step 4: Simplify right side
    78,646,500x = 14,910,966,334,123,790
  5. Step 5: Solve for x
    x = 14,910,966,334,123,790/78,646,500
  6. Step 6: Final answer
    x = 189,594,785.96

Related Problems

Find third proportional to 39,323,250 and 61,055,233.88
Half scale
Find third proportional to 157,293,000 and 244,220,935.50
Double scale
Find third proportional to 78,646,502 and 122,110,471
Similar ratio
Find third proportional to 117,969,750 and 183,165,701.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.