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Finding the Third Proportional to 48,330 and 76,896

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Solution

The third proportional to 48,330 and 76,896 is: 122,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,330 : 76,896 = 76,896 : x
  2. Step 2: Convert to fraction form
    48,330/76,896 = 76,896/x
  3. Step 3: Cross multiply
    48,330x = 76,896 × 76,896
  4. Step 4: Simplify right side
    48,330x = 5,912,994,816
  5. Step 5: Solve for x
    x = 5,912,994,816/48,330
  6. Step 6: Final answer
    x = 122,346.26

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.