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Finding the Third Proportional to 40,015 and 85,960

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Solution

The third proportional to 40,015 and 85,960 is: 184,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,015 : 85,960 = 85,960 : x
  2. Step 2: Convert to fraction form
    40,015/85,960 = 85,960/x
  3. Step 3: Cross multiply
    40,015x = 85,960 × 85,960
  4. Step 4: Simplify right side
    40,015x = 7,389,121,600
  5. Step 5: Solve for x
    x = 7,389,121,600/40,015
  6. Step 6: Final answer
    x = 184,658.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.