Home / 289,324-442,324

Finding the Third Proportional to 289,324 and 442,324

Calculator

Solution

The third proportional to 289,324 and 442,324 is: 676,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,324 : 442,324 = 442,324 : x
  2. Step 2: Convert to fraction form
    289,324/442,324 = 442,324/x
  3. Step 3: Cross multiply
    289,324x = 442,324 × 442,324
  4. Step 4: Simplify right side
    289,324x = 195,650,520,976
  5. Step 5: Solve for x
    x = 195,650,520,976/289,324
  6. Step 6: Final answer
    x = 676,233.29

Related Problems

Find third proportional to 144,662 and 221,162
Half scale
Find third proportional to 578,648 and 884,648
Double scale
Find third proportional to 289,326 and 442,327
Similar ratio
Find third proportional to 433,986 and 663,486
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.