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Finding the Third Proportional to 15,698 and 34,576

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Solution

The third proportional to 15,698 and 34,576 is: 76,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698 : 34,576 = 34,576 : x
  2. Step 2: Convert to fraction form
    15,698/34,576 = 34,576/x
  3. Step 3: Cross multiply
    15,698x = 34,576 × 34,576
  4. Step 4: Simplify right side
    15,698x = 1,195,499,776
  5. Step 5: Solve for x
    x = 1,195,499,776/15,698
  6. Step 6: Final answer
    x = 76,156.18

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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.