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Finding the Third Proportional to 336.13 and 437.69

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Solution

The third proportional to 336.13 and 437.69 is: 569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.13 : 437.69 = 437.69 : x
  2. Step 2: Convert to fraction form
    336.13/437.69 = 437.69/x
  3. Step 3: Cross multiply
    336.13x = 437.69 × 437.69
  4. Step 4: Simplify right side
    336.13x = 191,570.35
  5. Step 5: Solve for x
    x = 191,570.35/336.13
  6. Step 6: Final answer
    x = 569.94

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.