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Finding the Third Proportional to 321,802.88 and 694,190.25

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Solution

The third proportional to 321,802.88 and 694,190.25 is: 1,497,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,802.88 : 694,190.25 = 694,190.25 : x
  2. Step 2: Convert to fraction form
    321,802.88/694,190.25 = 694,190.25/x
  3. Step 3: Cross multiply
    321,802.88x = 694,190.25 × 694,190.25
  4. Step 4: Simplify right side
    321,802.88x = 481,900,103,195.06
  5. Step 5: Solve for x
    x = 481,900,103,195.06/321,802.88
  6. Step 6: Final answer
    x = 1,497,500.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.