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Finding the Third Proportional to 1,652.91 and 4,234.78

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Solution

The third proportional to 1,652.91 and 4,234.78 is: 10,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.91 : 4,234.78 = 4,234.78 : x
  2. Step 2: Convert to fraction form
    1,652.91/4,234.78 = 4,234.78/x
  3. Step 3: Cross multiply
    1,652.91x = 4,234.78 × 4,234.78
  4. Step 4: Simplify right side
    1,652.91x = 17,933,372.24
  5. Step 5: Solve for x
    x = 17,933,372.24/1,652.91
  6. Step 6: Final answer
    x = 10,849.60

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.