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Finding the Third Proportional to 4,398.47 and 8,976.66

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Solution

The third proportional to 4,398.47 and 8,976.66 is: 18,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.47 : 8,976.66 = 8,976.66 : x
  2. Step 2: Convert to fraction form
    4,398.47/8,976.66 = 8,976.66/x
  3. Step 3: Cross multiply
    4,398.47x = 8,976.66 × 8,976.66
  4. Step 4: Simplify right side
    4,398.47x = 80,580,357.43
  5. Step 5: Solve for x
    x = 80,580,357.43/4,398.47
  6. Step 6: Final answer
    x = 18,320.09

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.