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Finding the Third Proportional to 1,011.87 and 1,344.94

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Solution

The third proportional to 1,011.87 and 1,344.94 is: 1,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011.87 : 1,344.94 = 1,344.94 : x
  2. Step 2: Convert to fraction form
    1,011.87/1,344.94 = 1,344.94/x
  3. Step 3: Cross multiply
    1,011.87x = 1,344.94 × 1,344.94
  4. Step 4: Simplify right side
    1,011.87x = 1,808,856.88
  5. Step 5: Solve for x
    x = 1,808,856.88/1,011.87
  6. Step 6: Final answer
    x = 1,787.64

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.