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Finding the Third Proportional to 153,909 and 232,908.75

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Solution

The third proportional to 153,909 and 232,908.75 is: 352,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,909 : 232,908.75 = 232,908.75 : x
  2. Step 2: Convert to fraction form
    153,909/232,908.75 = 232,908.75/x
  3. Step 3: Cross multiply
    153,909x = 232,908.75 × 232,908.75
  4. Step 4: Simplify right side
    153,909x = 54,246,485,826.56
  5. Step 5: Solve for x
    x = 54,246,485,826.56/153,909
  6. Step 6: Final answer
    x = 352,458.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.