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Finding the Third Proportional to 1,190.81 and 1,901.81

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Solution

The third proportional to 1,190.81 and 1,901.81 is: 3,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.81 : 1,901.81 = 1,901.81 : x
  2. Step 2: Convert to fraction form
    1,190.81/1,901.81 = 1,901.81/x
  3. Step 3: Cross multiply
    1,190.81x = 1,901.81 × 1,901.81
  4. Step 4: Simplify right side
    1,190.81x = 3,616,890.79
  5. Step 5: Solve for x
    x = 3,616,890.79/1,190.81
  6. Step 6: Final answer
    x = 3,037.33

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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.