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Finding the Third Proportional to 283.50 and 424.93

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Solution

The third proportional to 283.50 and 424.93 is: 636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.50 : 424.93 = 424.93 : x
  2. Step 2: Convert to fraction form
    283.50/424.93 = 424.93/x
  3. Step 3: Cross multiply
    283.50x = 424.93 × 424.93
  4. Step 4: Simplify right side
    283.50x = 180,568.56
  5. Step 5: Solve for x
    x = 180,568.56/283.50
  6. Step 6: Final answer
    x = 636.93

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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.