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Finding the Third Proportional to 322,286.34 and 671,036.91

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Solution

The third proportional to 322,286.34 and 671,036.91 is: 1,397,175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,286.34 : 671,036.91 = 671,036.91 : x
  2. Step 2: Convert to fraction form
    322,286.34/671,036.91 = 671,036.91/x
  3. Step 3: Cross multiply
    322,286.34x = 671,036.91 × 671,036.91
  4. Step 4: Simplify right side
    322,286.34x = 450,290,529,549.57
  5. Step 5: Solve for x
    x = 450,290,529,549.57/322,286.34
  6. Step 6: Final answer
    x = 1,397,175.33

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.