Home / 78,649,080-120,368,628

Finding the Third Proportional to 78,649,080 and 120,368,628

Calculator

Solution

The third proportional to 78,649,080 and 120,368,628 is: 184,218,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,649,080 : 120,368,628 = 120,368,628 : x
  2. Step 2: Convert to fraction form
    78,649,080/120,368,628 = 120,368,628/x
  3. Step 3: Cross multiply
    78,649,080x = 120,368,628 × 120,368,628
  4. Step 4: Simplify right side
    78,649,080x = 14,488,606,606,602,384
  5. Step 5: Solve for x
    x = 14,488,606,606,602,384/78,649,080
  6. Step 6: Final answer
    x = 184,218,386.36

Related Problems

Find third proportional to 39,324,540 and 60,184,314
Half scale
Find third proportional to 157,298,160 and 240,737,256
Double scale
Find third proportional to 78,649,082 and 120,368,631
Similar ratio
Find third proportional to 117,973,620 and 180,552,942
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.