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Finding the Third Proportional to 150,205 and 231,930.75

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Solution

The third proportional to 150,205 and 231,930.75 is: 358,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,205 : 231,930.75 = 231,930.75 : x
  2. Step 2: Convert to fraction form
    150,205/231,930.75 = 231,930.75/x
  3. Step 3: Cross multiply
    150,205x = 231,930.75 × 231,930.75
  4. Step 4: Simplify right side
    150,205x = 53,791,872,795.56
  5. Step 5: Solve for x
    x = 53,791,872,795.56/150,205
  6. Step 6: Final answer
    x = 358,123.05

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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.