Home / 71,126-155,376

Finding the Third Proportional to 71,126 and 155,376

Calculator

Solution

The third proportional to 71,126 and 155,376 is: 339,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,126 : 155,376 = 155,376 : x
  2. Step 2: Convert to fraction form
    71,126/155,376 = 155,376/x
  3. Step 3: Cross multiply
    71,126x = 155,376 × 155,376
  4. Step 4: Simplify right side
    71,126x = 24,141,701,376
  5. Step 5: Solve for x
    x = 24,141,701,376/71,126
  6. Step 6: Final answer
    x = 339,421.61

Related Problems

Find third proportional to 35,563 and 77,688
Half scale
Find third proportional to 142,252 and 310,752
Double scale
Find third proportional to 71,128 and 155,380
Similar ratio
Find third proportional to 106,689 and 233,064
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.