Home / 261,639-355,082

Finding the Third Proportional to 261,639 and 355,082

Calculator

Solution

The third proportional to 261,639 and 355,082 is: 481,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,639 : 355,082 = 355,082 : x
  2. Step 2: Convert to fraction form
    261,639/355,082 = 355,082/x
  3. Step 3: Cross multiply
    261,639x = 355,082 × 355,082
  4. Step 4: Simplify right side
    261,639x = 126,083,226,724
  5. Step 5: Solve for x
    x = 126,083,226,724/261,639
  6. Step 6: Final answer
    x = 481,897.68

Related Problems

Find third proportional to 130,819.50 and 177,541
Half scale
Find third proportional to 523,278 and 710,164
Double scale
Find third proportional to 261,641 and 355,085
Similar ratio
Find third proportional to 392,458.50 and 532,623
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.