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Finding the Third Proportional to 243,699 and 534,474

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Solution

The third proportional to 243,699 and 534,474 is: 1,172,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,699 : 534,474 = 534,474 : x
  2. Step 2: Convert to fraction form
    243,699/534,474 = 534,474/x
  3. Step 3: Cross multiply
    243,699x = 534,474 × 534,474
  4. Step 4: Simplify right side
    243,699x = 285,662,456,676
  5. Step 5: Solve for x
    x = 285,662,456,676/243,699
  6. Step 6: Final answer
    x = 1,172,193.80

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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.