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Finding the Third Proportional to 829.83 and 1,253.39

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Solution

The third proportional to 829.83 and 1,253.39 is: 1,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    829.83 : 1,253.39 = 1,253.39 : x
  2. Step 2: Convert to fraction form
    829.83/1,253.39 = 1,253.39/x
  3. Step 3: Cross multiply
    829.83x = 1,253.39 × 1,253.39
  4. Step 4: Simplify right side
    829.83x = 1,570,988.06
  5. Step 5: Solve for x
    x = 1,570,988.06/829.83
  6. Step 6: Final answer
    x = 1,893.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.