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Finding the Third Proportional to 101,930 and 155,557.75

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Solution

The third proportional to 101,930 and 155,557.75 is: 237,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,930 : 155,557.75 = 155,557.75 : x
  2. Step 2: Convert to fraction form
    101,930/155,557.75 = 155,557.75/x
  3. Step 3: Cross multiply
    101,930x = 155,557.75 × 155,557.75
  4. Step 4: Simplify right side
    101,930x = 24,198,213,585.06
  5. Step 5: Solve for x
    x = 24,198,213,585.06/101,930
  6. Step 6: Final answer
    x = 237,400.31

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.