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Finding the Third Proportional to 40,464 and 61,242.75

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Solution

The third proportional to 40,464 and 61,242.75 is: 92,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,464 : 61,242.75 = 61,242.75 : x
  2. Step 2: Convert to fraction form
    40,464/61,242.75 = 61,242.75/x
  3. Step 3: Cross multiply
    40,464x = 61,242.75 × 61,242.75
  4. Step 4: Simplify right side
    40,464x = 3,750,674,427.56
  5. Step 5: Solve for x
    x = 3,750,674,427.56/40,464
  6. Step 6: Final answer
    x = 92,691.64

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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.