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Finding the Third Proportional to 535.31 and 801.19

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Solution

The third proportional to 535.31 and 801.19 is: 1,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.31 : 801.19 = 801.19 : x
  2. Step 2: Convert to fraction form
    535.31/801.19 = 801.19/x
  3. Step 3: Cross multiply
    535.31x = 801.19 × 801.19
  4. Step 4: Simplify right side
    535.31x = 641,901.41
  5. Step 5: Solve for x
    x = 641,901.41/535.31
  6. Step 6: Final answer
    x = 1,199.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.