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Finding the Third Proportional to 19,969 and 24,397

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Solution

The third proportional to 19,969 and 24,397 is: 29,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969 : 24,397 = 24,397 : x
  2. Step 2: Convert to fraction form
    19,969/24,397 = 24,397/x
  3. Step 3: Cross multiply
    19,969x = 24,397 × 24,397
  4. Step 4: Simplify right side
    19,969x = 595,213,609
  5. Step 5: Solve for x
    x = 595,213,609/19,969
  6. Step 6: Final answer
    x = 29,806.88

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.