Home / 62,828-136,720

Finding the Third Proportional to 62,828 and 136,720

Calculator

Solution

The third proportional to 62,828 and 136,720 is: 297,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,828 : 136,720 = 136,720 : x
  2. Step 2: Convert to fraction form
    62,828/136,720 = 136,720/x
  3. Step 3: Cross multiply
    62,828x = 136,720 × 136,720
  4. Step 4: Simplify right side
    62,828x = 18,692,358,400
  5. Step 5: Solve for x
    x = 18,692,358,400/62,828
  6. Step 6: Final answer
    x = 297,516.37

Related Problems

Find third proportional to 31,414 and 68,360
Half scale
Find third proportional to 125,656 and 273,440
Double scale
Find third proportional to 62,830 and 136,724
Similar ratio
Find third proportional to 94,242 and 205,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.