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Finding the Third Proportional to 3,398.94 and 4,786.55

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Solution

The third proportional to 3,398.94 and 4,786.55 is: 6,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.94 : 4,786.55 = 4,786.55 : x
  2. Step 2: Convert to fraction form
    3,398.94/4,786.55 = 4,786.55/x
  3. Step 3: Cross multiply
    3,398.94x = 4,786.55 × 4,786.55
  4. Step 4: Simplify right side
    3,398.94x = 22,911,030.99
  5. Step 5: Solve for x
    x = 22,911,030.99/3,398.94
  6. Step 6: Final answer
    x = 6,740.64

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.