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Finding the Third Proportional to 7,806 and 17,252

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Solution

The third proportional to 7,806 and 17,252 is: 38,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806 : 17,252 = 17,252 : x
  2. Step 2: Convert to fraction form
    7,806/17,252 = 17,252/x
  3. Step 3: Cross multiply
    7,806x = 17,252 × 17,252
  4. Step 4: Simplify right side
    7,806x = 297,631,504
  5. Step 5: Solve for x
    x = 297,631,504/7,806
  6. Step 6: Final answer
    x = 38,128.56

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.