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Finding the Third Proportional to 75,854 and 113,779

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Solution

The third proportional to 75,854 and 113,779 is: 170,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,854 : 113,779 = 113,779 : x
  2. Step 2: Convert to fraction form
    75,854/113,779 = 113,779/x
  3. Step 3: Cross multiply
    75,854x = 113,779 × 113,779
  4. Step 4: Simplify right side
    75,854x = 12,945,660,841
  5. Step 5: Solve for x
    x = 12,945,660,841/75,854
  6. Step 6: Final answer
    x = 170,665.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.