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Finding the Third Proportional to 50,181 and 77,742.75

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Solution

The third proportional to 50,181 and 77,742.75 is: 120,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,181 : 77,742.75 = 77,742.75 : x
  2. Step 2: Convert to fraction form
    50,181/77,742.75 = 77,742.75/x
  3. Step 3: Cross multiply
    50,181x = 77,742.75 × 77,742.75
  4. Step 4: Simplify right side
    50,181x = 6,043,935,177.56
  5. Step 5: Solve for x
    x = 6,043,935,177.56/50,181
  6. Step 6: Final answer
    x = 120,442.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.