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Finding the Third Proportional to 185,744 and 280,344

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Solution

The third proportional to 185,744 and 280,344 is: 423,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,744 : 280,344 = 280,344 : x
  2. Step 2: Convert to fraction form
    185,744/280,344 = 280,344/x
  3. Step 3: Cross multiply
    185,744x = 280,344 × 280,344
  4. Step 4: Simplify right side
    185,744x = 78,592,758,336
  5. Step 5: Solve for x
    x = 78,592,758,336/185,744
  6. Step 6: Final answer
    x = 423,124.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.