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Finding the Third Proportional to 15,574 and 34,186

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Solution

The third proportional to 15,574 and 34,186 is: 75,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574 : 34,186 = 34,186 : x
  2. Step 2: Convert to fraction form
    15,574/34,186 = 34,186/x
  3. Step 3: Cross multiply
    15,574x = 34,186 × 34,186
  4. Step 4: Simplify right side
    15,574x = 1,168,682,596
  5. Step 5: Solve for x
    x = 1,168,682,596/15,574
  6. Step 6: Final answer
    x = 75,040.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.