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Finding the Third Proportional to 54,330.75 and 76,231.13

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Solution

The third proportional to 54,330.75 and 76,231.13 is: 106,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.75 : 76,231.13 = 76,231.13 : x
  2. Step 2: Convert to fraction form
    54,330.75/76,231.13 = 76,231.13/x
  3. Step 3: Cross multiply
    54,330.75x = 76,231.13 × 76,231.13
  4. Step 4: Simplify right side
    54,330.75x = 5,811,184,418.77
  5. Step 5: Solve for x
    x = 5,811,184,418.77/54,330.75
  6. Step 6: Final answer
    x = 106,959.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.