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Finding the Third Proportional to 54,117 and 79,080.75

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Solution

The third proportional to 54,117 and 79,080.75 is: 115,560.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117 : 79,080.75 = 79,080.75 : x
  2. Step 2: Convert to fraction form
    54,117/79,080.75 = 79,080.75/x
  3. Step 3: Cross multiply
    54,117x = 79,080.75 × 79,080.75
  4. Step 4: Simplify right side
    54,117x = 6,253,765,020.56
  5. Step 5: Solve for x
    x = 6,253,765,020.56/54,117
  6. Step 6: Final answer
    x = 115,560.08

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.