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Finding the Third Proportional to 8,984 and 19,638

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Solution

The third proportional to 8,984 and 19,638 is: 42,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984 : 19,638 = 19,638 : x
  2. Step 2: Convert to fraction form
    8,984/19,638 = 19,638/x
  3. Step 3: Cross multiply
    8,984x = 19,638 × 19,638
  4. Step 4: Simplify right side
    8,984x = 385,651,044
  5. Step 5: Solve for x
    x = 385,651,044/8,984
  6. Step 6: Final answer
    x = 42,926.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.