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Finding the Third Proportional to 216,448 and 323,792

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Solution

The third proportional to 216,448 and 323,792 is: 484,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,448 : 323,792 = 323,792 : x
  2. Step 2: Convert to fraction form
    216,448/323,792 = 323,792/x
  3. Step 3: Cross multiply
    216,448x = 323,792 × 323,792
  4. Step 4: Simplify right side
    216,448x = 104,841,259,264
  5. Step 5: Solve for x
    x = 104,841,259,264/216,448
  6. Step 6: Final answer
    x = 484,371.58

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