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Finding the Third Proportional to 1,331.02 and 1,860.89

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Solution

The third proportional to 1,331.02 and 1,860.89 is: 2,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.02 : 1,860.89 = 1,860.89 : x
  2. Step 2: Convert to fraction form
    1,331.02/1,860.89 = 1,860.89/x
  3. Step 3: Cross multiply
    1,331.02x = 1,860.89 × 1,860.89
  4. Step 4: Simplify right side
    1,331.02x = 3,462,913.92
  5. Step 5: Solve for x
    x = 3,462,913.92/1,331.02
  6. Step 6: Final answer
    x = 2,601.71

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.