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Finding the Third Proportional to 4,479 and 8,553

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Solution

The third proportional to 4,479 and 8,553 is: 16,332.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479 : 8,553 = 8,553 : x
  2. Step 2: Convert to fraction form
    4,479/8,553 = 8,553/x
  3. Step 3: Cross multiply
    4,479x = 8,553 × 8,553
  4. Step 4: Simplify right side
    4,479x = 73,153,809
  5. Step 5: Solve for x
    x = 73,153,809/4,479
  6. Step 6: Final answer
    x = 16,332.62

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.