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Finding the Third Proportional to 18,245.25 and 26,368.88

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Solution

The third proportional to 18,245.25 and 26,368.88 is: 38,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.25 : 26,368.88 = 26,368.88 : x
  2. Step 2: Convert to fraction form
    18,245.25/26,368.88 = 26,368.88/x
  3. Step 3: Cross multiply
    18,245.25x = 26,368.88 × 26,368.88
  4. Step 4: Simplify right side
    18,245.25x = 695,317,568.77
  5. Step 5: Solve for x
    x = 695,317,568.77/18,245.25
  6. Step 6: Final answer
    x = 38,109.51

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.