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Finding the Third Proportional to 40,318 and 60,517

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Solution

The third proportional to 40,318 and 60,517 is: 90,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318 : 60,517 = 60,517 : x
  2. Step 2: Convert to fraction form
    40,318/60,517 = 60,517/x
  3. Step 3: Cross multiply
    40,318x = 60,517 × 60,517
  4. Step 4: Simplify right side
    40,318x = 3,662,307,289
  5. Step 5: Solve for x
    x = 3,662,307,289/40,318
  6. Step 6: Final answer
    x = 90,835.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.