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Finding the Third Proportional to 226,727 and 338,905

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Solution

The third proportional to 226,727 and 338,905 is: 506,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,727 : 338,905 = 338,905 : x
  2. Step 2: Convert to fraction form
    226,727/338,905 = 338,905/x
  3. Step 3: Cross multiply
    226,727x = 338,905 × 338,905
  4. Step 4: Simplify right side
    226,727x = 114,856,599,025
  5. Step 5: Solve for x
    x = 114,856,599,025/226,727
  6. Step 6: Final answer
    x = 506,585.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.