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Finding the Third Proportional to 48,015 and 75,969

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Solution

The third proportional to 48,015 and 75,969 is: 120,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,015 : 75,969 = 75,969 : x
  2. Step 2: Convert to fraction form
    48,015/75,969 = 75,969/x
  3. Step 3: Cross multiply
    48,015x = 75,969 × 75,969
  4. Step 4: Simplify right side
    48,015x = 5,771,288,961
  5. Step 5: Solve for x
    x = 5,771,288,961/48,015
  6. Step 6: Final answer
    x = 120,197.62

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.