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Finding the Third Proportional to 2,392.88 and 3,479.63

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Solution

The third proportional to 2,392.88 and 3,479.63 is: 5,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.88 : 3,479.63 = 3,479.63 : x
  2. Step 2: Convert to fraction form
    2,392.88/3,479.63 = 3,479.63/x
  3. Step 3: Cross multiply
    2,392.88x = 3,479.63 × 3,479.63
  4. Step 4: Simplify right side
    2,392.88x = 12,107,790.14
  5. Step 5: Solve for x
    x = 12,107,790.14/2,392.88
  6. Step 6: Final answer
    x = 5,059.93

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.