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Finding the Third Proportional to 862.13 and 1,860.94

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Solution

The third proportional to 862.13 and 1,860.94 is: 4,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    862.13 : 1,860.94 = 1,860.94 : x
  2. Step 2: Convert to fraction form
    862.13/1,860.94 = 1,860.94/x
  3. Step 3: Cross multiply
    862.13x = 1,860.94 × 1,860.94
  4. Step 4: Simplify right side
    862.13x = 3,463,088.38
  5. Step 5: Solve for x
    x = 3,463,088.38/862.13
  6. Step 6: Final answer
    x = 4,016.92

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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.