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Finding the Third Proportional to 4,007 and 5,088

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Solution

The third proportional to 4,007 and 5,088 is: 6,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007 : 5,088 = 5,088 : x
  2. Step 2: Convert to fraction form
    4,007/5,088 = 5,088/x
  3. Step 3: Cross multiply
    4,007x = 5,088 × 5,088
  4. Step 4: Simplify right side
    4,007x = 25,887,744
  5. Step 5: Solve for x
    x = 25,887,744/4,007
  6. Step 6: Final answer
    x = 6,460.63

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.