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Finding the Third Proportional to 8,374 and 12,562

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Solution

The third proportional to 8,374 and 12,562 is: 18,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374 : 12,562 = 12,562 : x
  2. Step 2: Convert to fraction form
    8,374/12,562 = 12,562/x
  3. Step 3: Cross multiply
    8,374x = 12,562 × 12,562
  4. Step 4: Simplify right side
    8,374x = 157,803,844
  5. Step 5: Solve for x
    x = 157,803,844/8,374
  6. Step 6: Final answer
    x = 18,844.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.