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Finding the Third Proportional to 15,170 and 34,629

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Solution

The third proportional to 15,170 and 34,629 is: 79,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170 : 34,629 = 34,629 : x
  2. Step 2: Convert to fraction form
    15,170/34,629 = 34,629/x
  3. Step 3: Cross multiply
    15,170x = 34,629 × 34,629
  4. Step 4: Simplify right side
    15,170x = 1,199,167,641
  5. Step 5: Solve for x
    x = 1,199,167,641/15,170
  6. Step 6: Final answer
    x = 79,048.62

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.