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Finding the Third Proportional to 18,515.25 and 26,458.88

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Solution

The third proportional to 18,515.25 and 26,458.88 is: 37,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.25 : 26,458.88 = 26,458.88 : x
  2. Step 2: Convert to fraction form
    18,515.25/26,458.88 = 26,458.88/x
  3. Step 3: Cross multiply
    18,515.25x = 26,458.88 × 26,458.88
  4. Step 4: Simplify right side
    18,515.25x = 700,072,066.27
  5. Step 5: Solve for x
    x = 700,072,066.27/18,515.25
  6. Step 6: Final answer
    x = 37,810.57

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.