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Finding the Third Proportional to 5,307 and 9,178.50

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Solution

The third proportional to 5,307 and 9,178.50 is: 15,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307 : 9,178.50 = 9,178.50 : x
  2. Step 2: Convert to fraction form
    5,307/9,178.50 = 9,178.50/x
  3. Step 3: Cross multiply
    5,307x = 9,178.50 × 9,178.50
  4. Step 4: Simplify right side
    5,307x = 84,244,862.25
  5. Step 5: Solve for x
    x = 84,244,862.25/5,307
  6. Step 6: Final answer
    x = 15,874.29

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.