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Finding the Third Proportional to 11,488 and 15,352

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Solution

The third proportional to 11,488 and 15,352 is: 20,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488 : 15,352 = 15,352 : x
  2. Step 2: Convert to fraction form
    11,488/15,352 = 15,352/x
  3. Step 3: Cross multiply
    11,488x = 15,352 × 15,352
  4. Step 4: Simplify right side
    11,488x = 235,683,904
  5. Step 5: Solve for x
    x = 235,683,904/11,488
  6. Step 6: Final answer
    x = 20,515.66

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.