Home / 63,690-136,772

Finding the Third Proportional to 63,690 and 136,772

Calculator

Solution

The third proportional to 63,690 and 136,772 is: 293,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,690 : 136,772 = 136,772 : x
  2. Step 2: Convert to fraction form
    63,690/136,772 = 136,772/x
  3. Step 3: Cross multiply
    63,690x = 136,772 × 136,772
  4. Step 4: Simplify right side
    63,690x = 18,706,579,984
  5. Step 5: Solve for x
    x = 18,706,579,984/63,690
  6. Step 6: Final answer
    x = 293,712.98

Related Problems

Find third proportional to 31,845 and 68,386
Half scale
Find third proportional to 127,380 and 273,544
Double scale
Find third proportional to 63,692 and 136,776
Similar ratio
Find third proportional to 95,535 and 205,158
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.