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Finding the Third Proportional to 5,374 and 7,637

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Solution

The third proportional to 5,374 and 7,637 is: 10,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374 : 7,637 = 7,637 : x
  2. Step 2: Convert to fraction form
    5,374/7,637 = 7,637/x
  3. Step 3: Cross multiply
    5,374x = 7,637 × 7,637
  4. Step 4: Simplify right side
    5,374x = 58,323,769
  5. Step 5: Solve for x
    x = 58,323,769/5,374
  6. Step 6: Final answer
    x = 10,852.95

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.