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Finding the Third Proportional to 12,624 and 14,688

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Solution

The third proportional to 12,624 and 14,688 is: 17,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624 : 14,688 = 14,688 : x
  2. Step 2: Convert to fraction form
    12,624/14,688 = 14,688/x
  3. Step 3: Cross multiply
    12,624x = 14,688 × 14,688
  4. Step 4: Simplify right side
    12,624x = 215,737,344
  5. Step 5: Solve for x
    x = 215,737,344/12,624
  6. Step 6: Final answer
    x = 17,089.46

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.