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Finding the Third Proportional to 1,335.87 and 2,073.57

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Solution

The third proportional to 1,335.87 and 2,073.57 is: 3,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.87 : 2,073.57 = 2,073.57 : x
  2. Step 2: Convert to fraction form
    1,335.87/2,073.57 = 2,073.57/x
  3. Step 3: Cross multiply
    1,335.87x = 2,073.57 × 2,073.57
  4. Step 4: Simplify right side
    1,335.87x = 4,299,685.74
  5. Step 5: Solve for x
    x = 4,299,685.74/1,335.87
  6. Step 6: Final answer
    x = 3,218.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.