Home / 289,932-442,394

Finding the Third Proportional to 289,932 and 442,394

Calculator

Solution

The third proportional to 289,932 and 442,394 is: 675,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,932 : 442,394 = 442,394 : x
  2. Step 2: Convert to fraction form
    289,932/442,394 = 442,394/x
  3. Step 3: Cross multiply
    289,932x = 442,394 × 442,394
  4. Step 4: Simplify right side
    289,932x = 195,712,451,236
  5. Step 5: Solve for x
    x = 195,712,451,236/289,932
  6. Step 6: Final answer
    x = 675,028.80

Related Problems

Find third proportional to 144,966 and 221,197
Half scale
Find third proportional to 579,864 and 884,788
Double scale
Find third proportional to 289,934 and 442,397
Similar ratio
Find third proportional to 434,898 and 663,591
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.