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Finding the Third Proportional to 54,792 and 82,428

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Solution

The third proportional to 54,792 and 82,428 is: 124,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,792 : 82,428 = 82,428 : x
  2. Step 2: Convert to fraction form
    54,792/82,428 = 82,428/x
  3. Step 3: Cross multiply
    54,792x = 82,428 × 82,428
  4. Step 4: Simplify right side
    54,792x = 6,794,375,184
  5. Step 5: Solve for x
    x = 6,794,375,184/54,792
  6. Step 6: Final answer
    x = 124,003.05

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Why These Related Problems?

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