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Finding the Third Proportional to 48,612 and 75,448

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Solution

The third proportional to 48,612 and 75,448 is: 117,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,612 : 75,448 = 75,448 : x
  2. Step 2: Convert to fraction form
    48,612/75,448 = 75,448/x
  3. Step 3: Cross multiply
    48,612x = 75,448 × 75,448
  4. Step 4: Simplify right side
    48,612x = 5,692,400,704
  5. Step 5: Solve for x
    x = 5,692,400,704/48,612
  6. Step 6: Final answer
    x = 117,098.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.