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Finding the Third Proportional to 308,301.75 and 672,630.75

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Solution

The third proportional to 308,301.75 and 672,630.75 is: 1,467,497.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,301.75 : 672,630.75 = 672,630.75 : x
  2. Step 2: Convert to fraction form
    308,301.75/672,630.75 = 672,630.75/x
  3. Step 3: Cross multiply
    308,301.75x = 672,630.75 × 672,630.75
  4. Step 4: Simplify right side
    308,301.75x = 452,432,125,845.56
  5. Step 5: Solve for x
    x = 452,432,125,845.56/308,301.75
  6. Step 6: Final answer
    x = 1,467,497.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.