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Finding the Third Proportional to 829.41 and 1,175.77

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Solution

The third proportional to 829.41 and 1,175.77 is: 1,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    829.41 : 1,175.77 = 1,175.77 : x
  2. Step 2: Convert to fraction form
    829.41/1,175.77 = 1,175.77/x
  3. Step 3: Cross multiply
    829.41x = 1,175.77 × 1,175.77
  4. Step 4: Simplify right side
    829.41x = 1,382,424.80
  5. Step 5: Solve for x
    x = 1,382,424.80/829.41
  6. Step 6: Final answer
    x = 1,666.76

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.