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Finding the Third Proportional to 48,612 and 76,160

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Solution

The third proportional to 48,612 and 76,160 is: 119,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,612 : 76,160 = 76,160 : x
  2. Step 2: Convert to fraction form
    48,612/76,160 = 76,160/x
  3. Step 3: Cross multiply
    48,612x = 76,160 × 76,160
  4. Step 4: Simplify right side
    48,612x = 5,800,345,600
  5. Step 5: Solve for x
    x = 5,800,345,600/48,612
  6. Step 6: Final answer
    x = 119,319.21

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.