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Finding the Third Proportional to 537.19 and 1,089.19

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Solution

The third proportional to 537.19 and 1,089.19 is: 2,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.19 : 1,089.19 = 1,089.19 : x
  2. Step 2: Convert to fraction form
    537.19/1,089.19 = 1,089.19/x
  3. Step 3: Cross multiply
    537.19x = 1,089.19 × 1,089.19
  4. Step 4: Simplify right side
    537.19x = 1,186,329.41
  5. Step 5: Solve for x
    x = 1,186,329.41/537.19
  6. Step 6: Final answer
    x = 2,208.41

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.