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Finding the Third Proportional to 604.69 and 1,428.19

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Solution

The third proportional to 604.69 and 1,428.19 is: 3,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.69 : 1,428.19 = 1,428.19 : x
  2. Step 2: Convert to fraction form
    604.69/1,428.19 = 1,428.19/x
  3. Step 3: Cross multiply
    604.69x = 1,428.19 × 1,428.19
  4. Step 4: Simplify right side
    604.69x = 2,039,719.54
  5. Step 5: Solve for x
    x = 2,039,719.54/604.69
  6. Step 6: Final answer
    x = 3,373.18

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.