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Finding the Third Proportional to 54,429 and 82,464.75

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Solution

The third proportional to 54,429 and 82,464.75 is: 124,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429 : 82,464.75 = 82,464.75 : x
  2. Step 2: Convert to fraction form
    54,429/82,464.75 = 82,464.75/x
  3. Step 3: Cross multiply
    54,429x = 82,464.75 × 82,464.75
  4. Step 4: Simplify right side
    54,429x = 6,800,434,992.56
  5. Step 5: Solve for x
    x = 6,800,434,992.56/54,429
  6. Step 6: Final answer
    x = 124,941.39

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.