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Finding the Third Proportional to 7,905 and 17,241

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Solution

The third proportional to 7,905 and 17,241 is: 37,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905 : 17,241 = 17,241 : x
  2. Step 2: Convert to fraction form
    7,905/17,241 = 17,241/x
  3. Step 3: Cross multiply
    7,905x = 17,241 × 17,241
  4. Step 4: Simplify right side
    7,905x = 297,252,081
  5. Step 5: Solve for x
    x = 297,252,081/7,905
  6. Step 6: Final answer
    x = 37,603.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.