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Finding the Third Proportional to 48,238.50 and 74,190

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Solution

The third proportional to 48,238.50 and 74,190 is: 114,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,238.50 : 74,190 = 74,190 : x
  2. Step 2: Convert to fraction form
    48,238.50/74,190 = 74,190/x
  3. Step 3: Cross multiply
    48,238.50x = 74,190 × 74,190
  4. Step 4: Simplify right side
    48,238.50x = 5,504,156,100
  5. Step 5: Solve for x
    x = 5,504,156,100/48,238.50
  6. Step 6: Final answer
    x = 114,102.97

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.