Home / 103,639-155,460

Finding the Third Proportional to 103,639 and 155,460

Calculator

Solution

The third proportional to 103,639 and 155,460 is: 233,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639 : 155,460 = 155,460 : x
  2. Step 2: Convert to fraction form
    103,639/155,460 = 155,460/x
  3. Step 3: Cross multiply
    103,639x = 155,460 × 155,460
  4. Step 4: Simplify right side
    103,639x = 24,167,811,600
  5. Step 5: Solve for x
    x = 24,167,811,600/103,639
  6. Step 6: Final answer
    x = 233,192.25

Related Problems

Find third proportional to 51,819.50 and 77,730
Half scale
Find third proportional to 207,278 and 310,920
Double scale
Find third proportional to 103,641 and 155,463
Similar ratio
Find third proportional to 155,458.50 and 233,190
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.