Home / 80,564-172,796

Finding the Third Proportional to 80,564 and 172,796

Calculator

Solution

The third proportional to 80,564 and 172,796 is: 370,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,564 : 172,796 = 172,796 : x
  2. Step 2: Convert to fraction form
    80,564/172,796 = 172,796/x
  3. Step 3: Cross multiply
    80,564x = 172,796 × 172,796
  4. Step 4: Simplify right side
    80,564x = 29,858,457,616
  5. Step 5: Solve for x
    x = 29,858,457,616/80,564
  6. Step 6: Final answer
    x = 370,617.86

Related Problems

Find third proportional to 40,282 and 86,398
Half scale
Find third proportional to 161,128 and 345,592
Double scale
Find third proportional to 80,566 and 172,800
Similar ratio
Find third proportional to 120,846 and 259,194
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.