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Finding the Third Proportional to 39,768.75 and 85,764.75

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Solution

The third proportional to 39,768.75 and 85,764.75 is: 184,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.75 : 85,764.75 = 85,764.75 : x
  2. Step 2: Convert to fraction form
    39,768.75/85,764.75 = 85,764.75/x
  3. Step 3: Cross multiply
    39,768.75x = 85,764.75 × 85,764.75
  4. Step 4: Simplify right side
    39,768.75x = 7,355,592,342.56
  5. Step 5: Solve for x
    x = 7,355,592,342.56/39,768.75
  6. Step 6: Final answer
    x = 184,959.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.