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Finding the Third Proportional to 18,635.06 and 40,425.75

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Solution

The third proportional to 18,635.06 and 40,425.75 is: 87,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.06 : 40,425.75 = 40,425.75 : x
  2. Step 2: Convert to fraction form
    18,635.06/40,425.75 = 40,425.75/x
  3. Step 3: Cross multiply
    18,635.06x = 40,425.75 × 40,425.75
  4. Step 4: Simplify right side
    18,635.06x = 1,634,241,263.06
  5. Step 5: Solve for x
    x = 1,634,241,263.06/18,635.06
  6. Step 6: Final answer
    x = 87,697.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.