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Finding the Third Proportional to 4,338 and 8,459

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Solution

The third proportional to 4,338 and 8,459 is: 16,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338 : 8,459 = 8,459 : x
  2. Step 2: Convert to fraction form
    4,338/8,459 = 8,459/x
  3. Step 3: Cross multiply
    4,338x = 8,459 × 8,459
  4. Step 4: Simplify right side
    4,338x = 71,554,681
  5. Step 5: Solve for x
    x = 71,554,681/4,338
  6. Step 6: Final answer
    x = 16,494.86

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.