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Finding the Third Proportional to 11,688 and 13,352

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Solution

The third proportional to 11,688 and 13,352 is: 15,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688 : 13,352 = 13,352 : x
  2. Step 2: Convert to fraction form
    11,688/13,352 = 13,352/x
  3. Step 3: Cross multiply
    11,688x = 13,352 × 13,352
  4. Step 4: Simplify right side
    11,688x = 178,275,904
  5. Step 5: Solve for x
    x = 178,275,904/11,688
  6. Step 6: Final answer
    x = 15,252.90

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.