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Finding the Third Proportional to 15,977 and 23,918

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Solution

The third proportional to 15,977 and 23,918 is: 35,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977 : 23,918 = 23,918 : x
  2. Step 2: Convert to fraction form
    15,977/23,918 = 23,918/x
  3. Step 3: Cross multiply
    15,977x = 23,918 × 23,918
  4. Step 4: Simplify right side
    15,977x = 572,070,724
  5. Step 5: Solve for x
    x = 572,070,724/15,977
  6. Step 6: Final answer
    x = 35,805.89

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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.