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Finding the Third Proportional to 49,864.50 and 76,641

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Solution

The third proportional to 49,864.50 and 76,641 is: 117,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,864.50 : 76,641 = 76,641 : x
  2. Step 2: Convert to fraction form
    49,864.50/76,641 = 76,641/x
  3. Step 3: Cross multiply
    49,864.50x = 76,641 × 76,641
  4. Step 4: Simplify right side
    49,864.50x = 5,873,842,881
  5. Step 5: Solve for x
    x = 5,873,842,881/49,864.50
  6. Step 6: Final answer
    x = 117,796.09

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.