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Finding the Third Proportional to 7,872 and 14,448

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Solution

The third proportional to 7,872 and 14,448 is: 26,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872 : 14,448 = 14,448 : x
  2. Step 2: Convert to fraction form
    7,872/14,448 = 14,448/x
  3. Step 3: Cross multiply
    7,872x = 14,448 × 14,448
  4. Step 4: Simplify right side
    7,872x = 208,744,704
  5. Step 5: Solve for x
    x = 208,744,704/7,872
  6. Step 6: Final answer
    x = 26,517.37

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.