Home / 198,898-432,423

Finding the Third Proportional to 198,898 and 432,423

Calculator

Solution

The third proportional to 198,898 and 432,423 is: 940,128.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,898 : 432,423 = 432,423 : x
  2. Step 2: Convert to fraction form
    198,898/432,423 = 432,423/x
  3. Step 3: Cross multiply
    198,898x = 432,423 × 432,423
  4. Step 4: Simplify right side
    198,898x = 186,989,650,929
  5. Step 5: Solve for x
    x = 186,989,650,929/198,898
  6. Step 6: Final answer
    x = 940,128.36

Related Problems

Find third proportional to 99,449 and 216,211.50
Half scale
Find third proportional to 397,796 and 864,846
Double scale
Find third proportional to 198,900 and 432,427
Similar ratio
Find third proportional to 298,347 and 648,634.50
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.