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Finding the Third Proportional to 10,488 and 14,448

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Solution

The third proportional to 10,488 and 14,448 is: 19,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488 : 14,448 = 14,448 : x
  2. Step 2: Convert to fraction form
    10,488/14,448 = 14,448/x
  3. Step 3: Cross multiply
    10,488x = 14,448 × 14,448
  4. Step 4: Simplify right side
    10,488x = 208,744,704
  5. Step 5: Solve for x
    x = 208,744,704/10,488
  6. Step 6: Final answer
    x = 19,903.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.