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Finding the Third Proportional to 4,073 and 8,587

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Solution

The third proportional to 4,073 and 8,587 is: 18,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073 : 8,587 = 8,587 : x
  2. Step 2: Convert to fraction form
    4,073/8,587 = 8,587/x
  3. Step 3: Cross multiply
    4,073x = 8,587 × 8,587
  4. Step 4: Simplify right side
    4,073x = 73,736,569
  5. Step 5: Solve for x
    x = 73,736,569/4,073
  6. Step 6: Final answer
    x = 18,103.75

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.