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Finding the Third Proportional to 15,399 and 23,167

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Solution

The third proportional to 15,399 and 23,167 is: 34,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399 : 23,167 = 23,167 : x
  2. Step 2: Convert to fraction form
    15,399/23,167 = 23,167/x
  3. Step 3: Cross multiply
    15,399x = 23,167 × 23,167
  4. Step 4: Simplify right side
    15,399x = 536,709,889
  5. Step 5: Solve for x
    x = 536,709,889/15,399
  6. Step 6: Final answer
    x = 34,853.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.