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Finding the Third Proportional to 49,517 and 76,708

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Solution

The third proportional to 49,517 and 76,708 is: 118,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,517 : 76,708 = 76,708 : x
  2. Step 2: Convert to fraction form
    49,517/76,708 = 76,708/x
  3. Step 3: Cross multiply
    49,517x = 76,708 × 76,708
  4. Step 4: Simplify right side
    49,517x = 5,884,117,264
  5. Step 5: Solve for x
    x = 5,884,117,264/49,517
  6. Step 6: Final answer
    x = 118,830.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.