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Finding the Third Proportional to 377.81 and 583.78

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Solution

The third proportional to 377.81 and 583.78 is: 902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.81 : 583.78 = 583.78 : x
  2. Step 2: Convert to fraction form
    377.81/583.78 = 583.78/x
  3. Step 3: Cross multiply
    377.81x = 583.78 × 583.78
  4. Step 4: Simplify right side
    377.81x = 340,800.55
  5. Step 5: Solve for x
    x = 340,800.55/377.81
  6. Step 6: Final answer
    x = 902.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.