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Finding the Third Proportional to 48,330 and 72,268

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Solution

The third proportional to 48,330 and 72,268 is: 108,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,330 : 72,268 = 72,268 : x
  2. Step 2: Convert to fraction form
    48,330/72,268 = 72,268/x
  3. Step 3: Cross multiply
    48,330x = 72,268 × 72,268
  4. Step 4: Simplify right side
    48,330x = 5,222,663,824
  5. Step 5: Solve for x
    x = 5,222,663,824/48,330
  6. Step 6: Final answer
    x = 108,062.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.