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Finding the Third Proportional to 4,007.81 and 5,599.13

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Solution

The third proportional to 4,007.81 and 5,599.13 is: 7,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.81 : 5,599.13 = 5,599.13 : x
  2. Step 2: Convert to fraction form
    4,007.81/5,599.13 = 5,599.13/x
  3. Step 3: Cross multiply
    4,007.81x = 5,599.13 × 5,599.13
  4. Step 4: Simplify right side
    4,007.81x = 31,350,200.77
  5. Step 5: Solve for x
    x = 31,350,200.77/4,007.81
  6. Step 6: Final answer
    x = 7,822.27

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.