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Finding the Third Proportional to 75,774 and 113,661

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Solution

The third proportional to 75,774 and 113,661 is: 170,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,774 : 113,661 = 113,661 : x
  2. Step 2: Convert to fraction form
    75,774/113,661 = 113,661/x
  3. Step 3: Cross multiply
    75,774x = 113,661 × 113,661
  4. Step 4: Simplify right side
    75,774x = 12,918,822,921
  5. Step 5: Solve for x
    x = 12,918,822,921/75,774
  6. Step 6: Final answer
    x = 170,491.50

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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.