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Finding the Third Proportional to 4,257.56 and 6,259.78

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Solution

The third proportional to 4,257.56 and 6,259.78 is: 9,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.56 : 6,259.78 = 6,259.78 : x
  2. Step 2: Convert to fraction form
    4,257.56/6,259.78 = 6,259.78/x
  3. Step 3: Cross multiply
    4,257.56x = 6,259.78 × 6,259.78
  4. Step 4: Simplify right side
    4,257.56x = 39,184,861.30
  5. Step 5: Solve for x
    x = 39,184,861.30/4,257.56
  6. Step 6: Final answer
    x = 9,203.59

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.