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Finding the Third Proportional to 8,178 and 17,651.25

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Solution

The third proportional to 8,178 and 17,651.25 is: 38,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178 : 17,651.25 = 17,651.25 : x
  2. Step 2: Convert to fraction form
    8,178/17,651.25 = 17,651.25/x
  3. Step 3: Cross multiply
    8,178x = 17,651.25 × 17,651.25
  4. Step 4: Simplify right side
    8,178x = 311,566,626.56
  5. Step 5: Solve for x
    x = 311,566,626.56/8,178
  6. Step 6: Final answer
    x = 38,098.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.