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Finding the Third Proportional to 229,578 and 361,974

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Solution

The third proportional to 229,578 and 361,974 is: 570,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,578 : 361,974 = 361,974 : x
  2. Step 2: Convert to fraction form
    229,578/361,974 = 361,974/x
  3. Step 3: Cross multiply
    229,578x = 361,974 × 361,974
  4. Step 4: Simplify right side
    229,578x = 131,025,176,676
  5. Step 5: Solve for x
    x = 131,025,176,676/229,578
  6. Step 6: Final answer
    x = 570,721.83

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.