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Finding the Third Proportional to 48,039 and 76,743

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Solution

The third proportional to 48,039 and 76,743 is: 122,598.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,039 : 76,743 = 76,743 : x
  2. Step 2: Convert to fraction form
    48,039/76,743 = 76,743/x
  3. Step 3: Cross multiply
    48,039x = 76,743 × 76,743
  4. Step 4: Simplify right side
    48,039x = 5,889,488,049
  5. Step 5: Solve for x
    x = 5,889,488,049/48,039
  6. Step 6: Final answer
    x = 122,598.06

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.