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Finding the Third Proportional to 919.69 and 1,873.13

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Solution

The third proportional to 919.69 and 1,873.13 is: 3,814.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    919.69 : 1,873.13 = 1,873.13 : x
  2. Step 2: Convert to fraction form
    919.69/1,873.13 = 1,873.13/x
  3. Step 3: Cross multiply
    919.69x = 1,873.13 × 1,873.13
  4. Step 4: Simplify right side
    919.69x = 3,508,597.27
  5. Step 5: Solve for x
    x = 3,508,597.27/919.69
  6. Step 6: Final answer
    x = 3,814.99

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.