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Finding the Third Proportional to 60,488 and 90,792

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Solution

The third proportional to 60,488 and 90,792 is: 136,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,488 : 90,792 = 90,792 : x
  2. Step 2: Convert to fraction form
    60,488/90,792 = 90,792/x
  3. Step 3: Cross multiply
    60,488x = 90,792 × 90,792
  4. Step 4: Simplify right side
    60,488x = 8,243,187,264
  5. Step 5: Solve for x
    x = 8,243,187,264/60,488
  6. Step 6: Final answer
    x = 136,278.06

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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.