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Finding the Third Proportional to 9,021 and 19,554

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Solution

The third proportional to 9,021 and 19,554 is: 42,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021 : 19,554 = 19,554 : x
  2. Step 2: Convert to fraction form
    9,021/19,554 = 19,554/x
  3. Step 3: Cross multiply
    9,021x = 19,554 × 19,554
  4. Step 4: Simplify right side
    9,021x = 382,358,916
  5. Step 5: Solve for x
    x = 382,358,916/9,021
  6. Step 6: Final answer
    x = 42,385.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.