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Finding the Third Proportional to 38,738 and 54,550

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Solution

The third proportional to 38,738 and 54,550 is: 76,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,738 : 54,550 = 54,550 : x
  2. Step 2: Convert to fraction form
    38,738/54,550 = 54,550/x
  3. Step 3: Cross multiply
    38,738x = 54,550 × 54,550
  4. Step 4: Simplify right side
    38,738x = 2,975,702,500
  5. Step 5: Solve for x
    x = 2,975,702,500/38,738
  6. Step 6: Final answer
    x = 76,816.11

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.