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Finding the Third Proportional to 8,106.75 and 18,748.13

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Solution

The third proportional to 8,106.75 and 18,748.13 is: 43,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.75 : 18,748.13 = 18,748.13 : x
  2. Step 2: Convert to fraction form
    8,106.75/18,748.13 = 18,748.13/x
  3. Step 3: Cross multiply
    8,106.75x = 18,748.13 × 18,748.13
  4. Step 4: Simplify right side
    8,106.75x = 351,492,191.02
  5. Step 5: Solve for x
    x = 351,492,191.02/8,106.75
  6. Step 6: Final answer
    x = 43,357.97

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.