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Finding the Third Proportional to 101,065.75 and 218,951.38

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Solution

The third proportional to 101,065.75 and 218,951.38 is: 474,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,065.75 : 218,951.38 = 218,951.38 : x
  2. Step 2: Convert to fraction form
    101,065.75/218,951.38 = 218,951.38/x
  3. Step 3: Cross multiply
    101,065.75x = 218,951.38 × 218,951.38
  4. Step 4: Simplify right side
    101,065.75x = 47,939,704,614.39
  5. Step 5: Solve for x
    x = 47,939,704,614.39/101,065.75
  6. Step 6: Final answer
    x = 474,341.75

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.