Home / 62,728-130,640

Finding the Third Proportional to 62,728 and 130,640

Calculator

Solution

The third proportional to 62,728 and 130,640 is: 272,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,728 : 130,640 = 130,640 : x
  2. Step 2: Convert to fraction form
    62,728/130,640 = 130,640/x
  3. Step 3: Cross multiply
    62,728x = 130,640 × 130,640
  4. Step 4: Simplify right side
    62,728x = 17,066,809,600
  5. Step 5: Solve for x
    x = 17,066,809,600/62,728
  6. Step 6: Final answer
    x = 272,076.42

Related Problems

Find third proportional to 31,364 and 65,320
Half scale
Find third proportional to 125,456 and 261,280
Double scale
Find third proportional to 62,730 and 130,644
Similar ratio
Find third proportional to 94,092 and 195,960
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.