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Finding the Third Proportional to 13,488 and 14,672

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Solution

The third proportional to 13,488 and 14,672 is: 15,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488 : 14,672 = 14,672 : x
  2. Step 2: Convert to fraction form
    13,488/14,672 = 14,672/x
  3. Step 3: Cross multiply
    13,488x = 14,672 × 14,672
  4. Step 4: Simplify right side
    13,488x = 215,267,584
  5. Step 5: Solve for x
    x = 215,267,584/13,488
  6. Step 6: Final answer
    x = 15,959.93

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.