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Finding the Third Proportional to 5,031 and 8,257.50

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Solution

The third proportional to 5,031 and 8,257.50 is: 13,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031 : 8,257.50 = 8,257.50 : x
  2. Step 2: Convert to fraction form
    5,031/8,257.50 = 8,257.50/x
  3. Step 3: Cross multiply
    5,031x = 8,257.50 × 8,257.50
  4. Step 4: Simplify right side
    5,031x = 68,186,306.25
  5. Step 5: Solve for x
    x = 68,186,306.25/5,031
  6. Step 6: Final answer
    x = 13,553.23

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.