Home / 63,639-137,112

Finding the Third Proportional to 63,639 and 137,112

Calculator

Solution

The third proportional to 63,639 and 137,112 is: 295,411.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639 : 137,112 = 137,112 : x
  2. Step 2: Convert to fraction form
    63,639/137,112 = 137,112/x
  3. Step 3: Cross multiply
    63,639x = 137,112 × 137,112
  4. Step 4: Simplify right side
    63,639x = 18,799,700,544
  5. Step 5: Solve for x
    x = 18,799,700,544/63,639
  6. Step 6: Final answer
    x = 295,411.63

Related Problems

Find third proportional to 31,819.50 and 68,556
Half scale
Find third proportional to 127,278 and 274,224
Double scale
Find third proportional to 63,641 and 137,116
Similar ratio
Find third proportional to 95,458.50 and 205,668
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.