Home / 172,974-375,474

Finding the Third Proportional to 172,974 and 375,474

Calculator

Solution

The third proportional to 172,974 and 375,474 is: 815,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,974 : 375,474 = 375,474 : x
  2. Step 2: Convert to fraction form
    172,974/375,474 = 375,474/x
  3. Step 3: Cross multiply
    172,974x = 375,474 × 375,474
  4. Step 4: Simplify right side
    172,974x = 140,980,724,676
  5. Step 5: Solve for x
    x = 140,980,724,676/172,974
  6. Step 6: Final answer
    x = 815,039.98

Related Problems

Find third proportional to 86,487 and 187,737
Half scale
Find third proportional to 345,948 and 750,948
Double scale
Find third proportional to 172,976 and 375,478
Similar ratio
Find third proportional to 259,461 and 563,211
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.