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Finding the Third Proportional to 15,644 and 23,388

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Solution

The third proportional to 15,644 and 23,388 is: 34,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644 : 23,388 = 23,388 : x
  2. Step 2: Convert to fraction form
    15,644/23,388 = 23,388/x
  3. Step 3: Cross multiply
    15,644x = 23,388 × 23,388
  4. Step 4: Simplify right side
    15,644x = 546,998,544
  5. Step 5: Solve for x
    x = 546,998,544/15,644
  6. Step 6: Final answer
    x = 34,965.39

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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.