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Finding the Third Proportional to 100,350 and 216,372

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Solution

The third proportional to 100,350 and 216,372 is: 466,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,350 : 216,372 = 216,372 : x
  2. Step 2: Convert to fraction form
    100,350/216,372 = 216,372/x
  3. Step 3: Cross multiply
    100,350x = 216,372 × 216,372
  4. Step 4: Simplify right side
    100,350x = 46,816,842,384
  5. Step 5: Solve for x
    x = 46,816,842,384/100,350
  6. Step 6: Final answer
    x = 466,535.55

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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.