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Finding the Third Proportional to 191,839.50 and 300,282.75

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Solution

The third proportional to 191,839.50 and 300,282.75 is: 470,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,839.50 : 300,282.75 = 300,282.75 : x
  2. Step 2: Convert to fraction form
    191,839.50/300,282.75 = 300,282.75/x
  3. Step 3: Cross multiply
    191,839.50x = 300,282.75 × 300,282.75
  4. Step 4: Simplify right side
    191,839.50x = 90,169,729,947.56
  5. Step 5: Solve for x
    x = 90,169,729,947.56/191,839.50
  6. Step 6: Final answer
    x = 470,026.92

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.