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Finding the Third Proportional to 228,328 and 491,792

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Solution

The third proportional to 228,328 and 491,792 is: 1,059,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,328 : 491,792 = 491,792 : x
  2. Step 2: Convert to fraction form
    228,328/491,792 = 491,792/x
  3. Step 3: Cross multiply
    228,328x = 491,792 × 491,792
  4. Step 4: Simplify right side
    228,328x = 241,859,371,264
  5. Step 5: Solve for x
    x = 241,859,371,264/228,328
  6. Step 6: Final answer
    x = 1,059,262.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.