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Finding the Third Proportional to 229,357 and 486,578

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Solution

The third proportional to 229,357 and 486,578 is: 1,032,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,357 : 486,578 = 486,578 : x
  2. Step 2: Convert to fraction form
    229,357/486,578 = 486,578/x
  3. Step 3: Cross multiply
    229,357x = 486,578 × 486,578
  4. Step 4: Simplify right side
    229,357x = 236,758,150,084
  5. Step 5: Solve for x
    x = 236,758,150,084/229,357
  6. Step 6: Final answer
    x = 1,032,269.13

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.