Home / 172,854-359,505

Finding the Third Proportional to 172,854 and 359,505

Calculator

Solution

The third proportional to 172,854 and 359,505 is: 747,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,854 : 359,505 = 359,505 : x
  2. Step 2: Convert to fraction form
    172,854/359,505 = 359,505/x
  3. Step 3: Cross multiply
    172,854x = 359,505 × 359,505
  4. Step 4: Simplify right side
    172,854x = 129,243,845,025
  5. Step 5: Solve for x
    x = 129,243,845,025/172,854
  6. Step 6: Final answer
    x = 747,705.26

Related Problems

Find third proportional to 86,427 and 179,752.50
Half scale
Find third proportional to 345,708 and 719,010
Double scale
Find third proportional to 172,856 and 359,509
Similar ratio
Find third proportional to 259,281 and 539,257.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.