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Finding the Third Proportional to 15,352 and 21,656

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Solution

The third proportional to 15,352 and 21,656 is: 30,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352 : 21,656 = 21,656 : x
  2. Step 2: Convert to fraction form
    15,352/21,656 = 21,656/x
  3. Step 3: Cross multiply
    15,352x = 21,656 × 21,656
  4. Step 4: Simplify right side
    15,352x = 468,982,336
  5. Step 5: Solve for x
    x = 468,982,336/15,352
  6. Step 6: Final answer
    x = 30,548.61

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.