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Finding the Third Proportional to 40,137.75 and 61,717.50

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Solution

The third proportional to 40,137.75 and 61,717.50 is: 94,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.75 : 61,717.50 = 61,717.50 : x
  2. Step 2: Convert to fraction form
    40,137.75/61,717.50 = 61,717.50/x
  3. Step 3: Cross multiply
    40,137.75x = 61,717.50 × 61,717.50
  4. Step 4: Simplify right side
    40,137.75x = 3,809,049,806.25
  5. Step 5: Solve for x
    x = 3,809,049,806.25/40,137.75
  6. Step 6: Final answer
    x = 94,899.44

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.