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Finding the Third Proportional to 308,305.88 and 672,491.63

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Solution

The third proportional to 308,305.88 and 672,491.63 is: 1,466,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,305.88 : 672,491.63 = 672,491.63 : x
  2. Step 2: Convert to fraction form
    308,305.88/672,491.63 = 672,491.63/x
  3. Step 3: Cross multiply
    308,305.88x = 672,491.63 × 672,491.63
  4. Step 4: Simplify right side
    308,305.88x = 452,244,985,695.14
  5. Step 5: Solve for x
    x = 452,244,985,695.14/308,305.88
  6. Step 6: Final answer
    x = 1,466,871.12

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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.