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Finding the Third Proportional to 7,488 and 9,743

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Solution

The third proportional to 7,488 and 9,743 is: 12,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488 : 9,743 = 9,743 : x
  2. Step 2: Convert to fraction form
    7,488/9,743 = 9,743/x
  3. Step 3: Cross multiply
    7,488x = 9,743 × 9,743
  4. Step 4: Simplify right side
    7,488x = 94,926,049
  5. Step 5: Solve for x
    x = 94,926,049/7,488
  6. Step 6: Final answer
    x = 12,677.09

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.