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Finding the Third Proportional to 54,413 and 79,756

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Solution

The third proportional to 54,413 and 79,756 is: 116,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,413 : 79,756 = 79,756 : x
  2. Step 2: Convert to fraction form
    54,413/79,756 = 79,756/x
  3. Step 3: Cross multiply
    54,413x = 79,756 × 79,756
  4. Step 4: Simplify right side
    54,413x = 6,361,019,536
  5. Step 5: Solve for x
    x = 6,361,019,536/54,413
  6. Step 6: Final answer
    x = 116,902.57

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.