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Finding the Third Proportional to 636.19 and 954.56

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Solution

The third proportional to 636.19 and 954.56 is: 1,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.19 : 954.56 = 954.56 : x
  2. Step 2: Convert to fraction form
    636.19/954.56 = 954.56/x
  3. Step 3: Cross multiply
    636.19x = 954.56 × 954.56
  4. Step 4: Simplify right side
    636.19x = 911,189.57
  5. Step 5: Solve for x
    x = 911,189.57/636.19
  6. Step 6: Final answer
    x = 1,432.27

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