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Finding the Third Proportional to 174,724 and 261,812

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Solution

The third proportional to 174,724 and 261,812 is: 392,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,724 : 261,812 = 261,812 : x
  2. Step 2: Convert to fraction form
    174,724/261,812 = 261,812/x
  3. Step 3: Cross multiply
    174,724x = 261,812 × 261,812
  4. Step 4: Simplify right side
    174,724x = 68,545,523,344
  5. Step 5: Solve for x
    x = 68,545,523,344/174,724
  6. Step 6: Final answer
    x = 392,307.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.