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Finding the Third Proportional to 153,105.75 and 225,283.50

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Solution

The third proportional to 153,105.75 and 225,283.50 is: 331,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,105.75 : 225,283.50 = 225,283.50 : x
  2. Step 2: Convert to fraction form
    153,105.75/225,283.50 = 225,283.50/x
  3. Step 3: Cross multiply
    153,105.75x = 225,283.50 × 225,283.50
  4. Step 4: Simplify right side
    153,105.75x = 50,752,655,372.25
  5. Step 5: Solve for x
    x = 50,752,655,372.25/153,105.75
  6. Step 6: Final answer
    x = 331,487.59

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.