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Finding the Third Proportional to 40,959 and 61,728.75

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Solution

The third proportional to 40,959 and 61,728.75 is: 93,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,959 : 61,728.75 = 61,728.75 : x
  2. Step 2: Convert to fraction form
    40,959/61,728.75 = 61,728.75/x
  3. Step 3: Cross multiply
    40,959x = 61,728.75 × 61,728.75
  4. Step 4: Simplify right side
    40,959x = 3,810,438,576.56
  5. Step 5: Solve for x
    x = 3,810,438,576.56/40,959
  6. Step 6: Final answer
    x = 93,030.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.