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Finding the Third Proportional to 161,011.50 and 247,591.50

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Solution

The third proportional to 161,011.50 and 247,591.50 is: 380,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,011.50 : 247,591.50 = 247,591.50 : x
  2. Step 2: Convert to fraction form
    161,011.50/247,591.50 = 247,591.50/x
  3. Step 3: Cross multiply
    161,011.50x = 247,591.50 × 247,591.50
  4. Step 4: Simplify right side
    161,011.50x = 61,301,550,872.25
  5. Step 5: Solve for x
    x = 61,301,550,872.25/161,011.50
  6. Step 6: Final answer
    x = 380,727.78

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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.