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Finding the Third Proportional to 40,335.75 and 56,418.75

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Solution

The third proportional to 40,335.75 and 56,418.75 is: 78,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,335.75 : 56,418.75 = 56,418.75 : x
  2. Step 2: Convert to fraction form
    40,335.75/56,418.75 = 56,418.75/x
  3. Step 3: Cross multiply
    40,335.75x = 56,418.75 × 56,418.75
  4. Step 4: Simplify right side
    40,335.75x = 3,183,075,351.56
  5. Step 5: Solve for x
    x = 3,183,075,351.56/40,335.75
  6. Step 6: Final answer
    x = 78,914.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.