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Finding the Third Proportional to 45,471 and 98,717

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Solution

The third proportional to 45,471 and 98,717 is: 214,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,471 : 98,717 = 98,717 : x
  2. Step 2: Convert to fraction form
    45,471/98,717 = 98,717/x
  3. Step 3: Cross multiply
    45,471x = 98,717 × 98,717
  4. Step 4: Simplify right side
    45,471x = 9,745,046,089
  5. Step 5: Solve for x
    x = 9,745,046,089/45,471
  6. Step 6: Final answer
    x = 214,313.43

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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.