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Finding the Third Proportional to 286.03 and 446.45

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Solution

The third proportional to 286.03 and 446.45 is: 696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286.03 : 446.45 = 446.45 : x
  2. Step 2: Convert to fraction form
    286.03/446.45 = 446.45/x
  3. Step 3: Cross multiply
    286.03x = 446.45 × 446.45
  4. Step 4: Simplify right side
    286.03x = 199,316.90
  5. Step 5: Solve for x
    x = 199,316.90/286.03
  6. Step 6: Final answer
    x = 696.84

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.