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Finding the Third Proportional to 40,431.02 and 61,213.22

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Solution

The third proportional to 40,431.02 and 61,213.22 is: 92,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431.02 : 61,213.22 = 61,213.22 : x
  2. Step 2: Convert to fraction form
    40,431.02/61,213.22 = 61,213.22/x
  3. Step 3: Cross multiply
    40,431.02x = 61,213.22 × 61,213.22
  4. Step 4: Simplify right side
    40,431.02x = 3,747,058,149.74
  5. Step 5: Solve for x
    x = 3,747,058,149.74/40,431.02
  6. Step 6: Final answer
    x = 92,677.80

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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.