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Finding the Third Proportional to 99,637 and 215,554

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Solution

The third proportional to 99,637 and 215,554 is: 466,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,637 : 215,554 = 215,554 : x
  2. Step 2: Convert to fraction form
    99,637/215,554 = 215,554/x
  3. Step 3: Cross multiply
    99,637x = 215,554 × 215,554
  4. Step 4: Simplify right side
    99,637x = 46,463,526,916
  5. Step 5: Solve for x
    x = 46,463,526,916/99,637
  6. Step 6: Final answer
    x = 466,328.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.