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Finding the Third Proportional to 15,930 and 23,955

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Solution

The third proportional to 15,930 and 23,955 is: 36,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930 : 23,955 = 23,955 : x
  2. Step 2: Convert to fraction form
    15,930/23,955 = 23,955/x
  3. Step 3: Cross multiply
    15,930x = 23,955 × 23,955
  4. Step 4: Simplify right side
    15,930x = 573,842,025
  5. Step 5: Solve for x
    x = 573,842,025/15,930
  6. Step 6: Final answer
    x = 36,022.73

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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.