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Finding the Third Proportional to 660.94 and 1,024.88

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Solution

The third proportional to 660.94 and 1,024.88 is: 1,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    660.94 : 1,024.88 = 1,024.88 : x
  2. Step 2: Convert to fraction form
    660.94/1,024.88 = 1,024.88/x
  3. Step 3: Cross multiply
    660.94x = 1,024.88 × 1,024.88
  4. Step 4: Simplify right side
    660.94x = 1,050,368.77
  5. Step 5: Solve for x
    x = 1,050,368.77/660.94
  6. Step 6: Final answer
    x = 1,589.21

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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.