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Finding the Third Proportional to 200,499 and 272,376

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Solution

The third proportional to 200,499 and 272,376 is: 370,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,499 : 272,376 = 272,376 : x
  2. Step 2: Convert to fraction form
    200,499/272,376 = 272,376/x
  3. Step 3: Cross multiply
    200,499x = 272,376 × 272,376
  4. Step 4: Simplify right side
    200,499x = 74,188,685,376
  5. Step 5: Solve for x
    x = 74,188,685,376/200,499
  6. Step 6: Final answer
    x = 370,020.23

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.