Home / 82,430-176,521

Finding the Third Proportional to 82,430 and 176,521

Calculator

Solution

The third proportional to 82,430 and 176,521 is: 378,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,430 : 176,521 = 176,521 : x
  2. Step 2: Convert to fraction form
    82,430/176,521 = 176,521/x
  3. Step 3: Cross multiply
    82,430x = 176,521 × 176,521
  4. Step 4: Simplify right side
    82,430x = 31,159,663,441
  5. Step 5: Solve for x
    x = 31,159,663,441/82,430
  6. Step 6: Final answer
    x = 378,013.63

Related Problems

Find third proportional to 41,215 and 88,260.50
Half scale
Find third proportional to 164,860 and 353,042
Double scale
Find third proportional to 82,432 and 176,525
Similar ratio
Find third proportional to 123,645 and 264,781.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.