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Finding the Third Proportional to 1,135.13 and 2,392.88

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Solution

The third proportional to 1,135.13 and 2,392.88 is: 5,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.13 : 2,392.88 = 2,392.88 : x
  2. Step 2: Convert to fraction form
    1,135.13/2,392.88 = 2,392.88/x
  3. Step 3: Cross multiply
    1,135.13x = 2,392.88 × 2,392.88
  4. Step 4: Simplify right side
    1,135.13x = 5,725,850.77
  5. Step 5: Solve for x
    x = 5,725,850.77/1,135.13
  6. Step 6: Final answer
    x = 5,044.25

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.