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Finding the Third Proportional to 10,920.25 and 16,363

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Solution

The third proportional to 10,920.25 and 16,363 is: 24,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.25 : 16,363 = 16,363 : x
  2. Step 2: Convert to fraction form
    10,920.25/16,363 = 16,363/x
  3. Step 3: Cross multiply
    10,920.25x = 16,363 × 16,363
  4. Step 4: Simplify right side
    10,920.25x = 267,747,769
  5. Step 5: Solve for x
    x = 267,747,769/10,920.25
  6. Step 6: Final answer
    x = 24,518.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.