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Finding the Third Proportional to 256,251.75 and 374,501.25

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Solution

The third proportional to 256,251.75 and 374,501.25 is: 547,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,251.75 : 374,501.25 = 374,501.25 : x
  2. Step 2: Convert to fraction form
    256,251.75/374,501.25 = 374,501.25/x
  3. Step 3: Cross multiply
    256,251.75x = 374,501.25 × 374,501.25
  4. Step 4: Simplify right side
    256,251.75x = 140,251,186,251.56
  5. Step 5: Solve for x
    x = 140,251,186,251.56/256,251.75
  6. Step 6: Final answer
    x = 547,317.96

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.