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Finding the Third Proportional to 39,375 and 85,314

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Solution

The third proportional to 39,375 and 85,314 is: 184,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375 : 85,314 = 85,314 : x
  2. Step 2: Convert to fraction form
    39,375/85,314 = 85,314/x
  3. Step 3: Cross multiply
    39,375x = 85,314 × 85,314
  4. Step 4: Simplify right side
    39,375x = 7,278,478,596
  5. Step 5: Solve for x
    x = 7,278,478,596/39,375
  6. Step 6: Final answer
    x = 184,850.25

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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.