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Finding the Third Proportional to 4,040.06 and 6,240.19

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Solution

The third proportional to 4,040.06 and 6,240.19 is: 9,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.06 : 6,240.19 = 6,240.19 : x
  2. Step 2: Convert to fraction form
    4,040.06/6,240.19 = 6,240.19/x
  3. Step 3: Cross multiply
    4,040.06x = 6,240.19 × 6,240.19
  4. Step 4: Simplify right side
    4,040.06x = 38,939,940.04
  5. Step 5: Solve for x
    x = 38,939,940.04/4,040.06
  6. Step 6: Final answer
    x = 9,638.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.