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Finding the Third Proportional to 2,940.19 and 3,952.13

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Solution

The third proportional to 2,940.19 and 3,952.13 is: 5,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.19 : 3,952.13 = 3,952.13 : x
  2. Step 2: Convert to fraction form
    2,940.19/3,952.13 = 3,952.13/x
  3. Step 3: Cross multiply
    2,940.19x = 3,952.13 × 3,952.13
  4. Step 4: Simplify right side
    2,940.19x = 15,619,292.02
  5. Step 5: Solve for x
    x = 15,619,292.02/2,940.19
  6. Step 6: Final answer
    x = 5,312.35

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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.