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Finding the Third Proportional to 2,918.11 and 4,194.91

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Solution

The third proportional to 2,918.11 and 4,194.91 is: 6,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.11 : 4,194.91 = 4,194.91 : x
  2. Step 2: Convert to fraction form
    2,918.11/4,194.91 = 4,194.91/x
  3. Step 3: Cross multiply
    2,918.11x = 4,194.91 × 4,194.91
  4. Step 4: Simplify right side
    2,918.11x = 17,597,303.99
  5. Step 5: Solve for x
    x = 17,597,303.99/2,918.11
  6. Step 6: Final answer
    x = 6,030.38

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.