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Finding the Third Proportional to 4,017 and 8,587.50

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Solution

The third proportional to 4,017 and 8,587.50 is: 18,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,017 : 8,587.50 = 8,587.50 : x
  2. Step 2: Convert to fraction form
    4,017/8,587.50 = 8,587.50/x
  3. Step 3: Cross multiply
    4,017x = 8,587.50 × 8,587.50
  4. Step 4: Simplify right side
    4,017x = 73,745,156.25
  5. Step 5: Solve for x
    x = 73,745,156.25/4,017
  6. Step 6: Final answer
    x = 18,358.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.