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Finding the Third Proportional to 604.13 and 858.38

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Solution

The third proportional to 604.13 and 858.38 is: 1,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.13 : 858.38 = 858.38 : x
  2. Step 2: Convert to fraction form
    604.13/858.38 = 858.38/x
  3. Step 3: Cross multiply
    604.13x = 858.38 × 858.38
  4. Step 4: Simplify right side
    604.13x = 736,807.64
  5. Step 5: Solve for x
    x = 736,807.64/604.13
  6. Step 6: Final answer
    x = 1,219.63

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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.