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Finding the Third Proportional to 4,056.75 and 5,424.47

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Solution

The third proportional to 4,056.75 and 5,424.47 is: 7,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,056.75 : 5,424.47 = 5,424.47 : x
  2. Step 2: Convert to fraction form
    4,056.75/5,424.47 = 5,424.47/x
  3. Step 3: Cross multiply
    4,056.75x = 5,424.47 × 5,424.47
  4. Step 4: Simplify right side
    4,056.75x = 29,424,861.22
  5. Step 5: Solve for x
    x = 29,424,861.22/4,056.75
  6. Step 6: Final answer
    x = 7,253.31

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.