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Finding the Third Proportional to 4,170 and 5,663

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Solution

The third proportional to 4,170 and 5,663 is: 7,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170 : 5,663 = 5,663 : x
  2. Step 2: Convert to fraction form
    4,170/5,663 = 5,663/x
  3. Step 3: Cross multiply
    4,170x = 5,663 × 5,663
  4. Step 4: Simplify right side
    4,170x = 32,069,569
  5. Step 5: Solve for x
    x = 32,069,569/4,170
  6. Step 6: Final answer
    x = 7,690.54

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.