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Finding the Third Proportional to 18,495 and 39,764.25

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Solution

The third proportional to 18,495 and 39,764.25 is: 85,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495 : 39,764.25 = 39,764.25 : x
  2. Step 2: Convert to fraction form
    18,495/39,764.25 = 39,764.25/x
  3. Step 3: Cross multiply
    18,495x = 39,764.25 × 39,764.25
  4. Step 4: Simplify right side
    18,495x = 1,581,195,578.06
  5. Step 5: Solve for x
    x = 1,581,195,578.06/18,495
  6. Step 6: Final answer
    x = 85,493.14

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.