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Finding the Third Proportional to 67,250.25 and 145,769.63

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Solution

The third proportional to 67,250.25 and 145,769.63 is: 315,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,250.25 : 145,769.63 = 145,769.63 : x
  2. Step 2: Convert to fraction form
    67,250.25/145,769.63 = 145,769.63/x
  3. Step 3: Cross multiply
    67,250.25x = 145,769.63 × 145,769.63
  4. Step 4: Simplify right side
    67,250.25x = 21,248,783,572.64
  5. Step 5: Solve for x
    x = 21,248,783,572.64/67,250.25
  6. Step 6: Final answer
    x = 315,965.87

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.