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Finding the Third Proportional to 831.38 and 1,799.44

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Solution

The third proportional to 831.38 and 1,799.44 is: 3,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    831.38 : 1,799.44 = 1,799.44 : x
  2. Step 2: Convert to fraction form
    831.38/1,799.44 = 1,799.44/x
  3. Step 3: Cross multiply
    831.38x = 1,799.44 × 1,799.44
  4. Step 4: Simplify right side
    831.38x = 3,237,975.32
  5. Step 5: Solve for x
    x = 3,237,975.32/831.38
  6. Step 6: Final answer
    x = 3,894.72

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.