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Finding the Third Proportional to 75,015.56 and 177,082.31

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Solution

The third proportional to 75,015.56 and 177,082.31 is: 418,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,015.56 : 177,082.31 = 177,082.31 : x
  2. Step 2: Convert to fraction form
    75,015.56/177,082.31 = 177,082.31/x
  3. Step 3: Cross multiply
    75,015.56x = 177,082.31 × 177,082.31
  4. Step 4: Simplify right side
    75,015.56x = 31,358,145,400.35
  5. Step 5: Solve for x
    x = 31,358,145,400.35/75,015.56
  6. Step 6: Final answer
    x = 418,021.87

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.