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Finding the Third Proportional to 837.84 and 940.36

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Solution

The third proportional to 837.84 and 940.36 is: 1,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.84 : 940.36 = 940.36 : x
  2. Step 2: Convert to fraction form
    837.84/940.36 = 940.36/x
  3. Step 3: Cross multiply
    837.84x = 940.36 × 940.36
  4. Step 4: Simplify right side
    837.84x = 884,275.75
  5. Step 5: Solve for x
    x = 884,275.75/837.84
  6. Step 6: Final answer
    x = 1,055.42

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.