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Finding the Third Proportional to 123,336 and 272,376

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Solution

The third proportional to 123,336 and 272,376 is: 601,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,336 : 272,376 = 272,376 : x
  2. Step 2: Convert to fraction form
    123,336/272,376 = 272,376/x
  3. Step 3: Cross multiply
    123,336x = 272,376 × 272,376
  4. Step 4: Simplify right side
    123,336x = 74,188,685,376
  5. Step 5: Solve for x
    x = 74,188,685,376/123,336
  6. Step 6: Final answer
    x = 601,516.88

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.