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Finding the Third Proportional to 4,168.97 and 6,435.70

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Solution

The third proportional to 4,168.97 and 6,435.70 is: 9,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.97 : 6,435.70 = 6,435.70 : x
  2. Step 2: Convert to fraction form
    4,168.97/6,435.70 = 6,435.70/x
  3. Step 3: Cross multiply
    4,168.97x = 6,435.70 × 6,435.70
  4. Step 4: Simplify right side
    4,168.97x = 41,418,274.71
  5. Step 5: Solve for x
    x = 41,418,274.71/4,168.97
  6. Step 6: Final answer
    x = 9,934.90

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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.