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Finding the Third Proportional to 633.13 and 1,384.91

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Solution

The third proportional to 633.13 and 1,384.91 is: 3,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.13 : 1,384.91 = 1,384.91 : x
  2. Step 2: Convert to fraction form
    633.13/1,384.91 = 1,384.91/x
  3. Step 3: Cross multiply
    633.13x = 1,384.91 × 1,384.91
  4. Step 4: Simplify right side
    633.13x = 1,917,976.14
  5. Step 5: Solve for x
    x = 1,917,976.14/633.13
  6. Step 6: Final answer
    x = 3,029.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.