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Finding the Third Proportional to 272,784 and 366,939

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Solution

The third proportional to 272,784 and 366,939 is: 493,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,784 : 366,939 = 366,939 : x
  2. Step 2: Convert to fraction form
    272,784/366,939 = 366,939/x
  3. Step 3: Cross multiply
    272,784x = 366,939 × 366,939
  4. Step 4: Simplify right side
    272,784x = 134,644,229,721
  5. Step 5: Solve for x
    x = 134,644,229,721/272,784
  6. Step 6: Final answer
    x = 493,592.84

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.