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Finding the Third Proportional to 679,936.50 and 1,479,982.50

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Solution

The third proportional to 679,936.50 and 1,479,982.50 is: 3,221,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,936.50 : 1,479,982.50 = 1,479,982.50 : x
  2. Step 2: Convert to fraction form
    679,936.50/1,479,982.50 = 1,479,982.50/x
  3. Step 3: Cross multiply
    679,936.50x = 1,479,982.50 × 1,479,982.50
  4. Step 4: Simplify right side
    679,936.50x = 2,190,348,200,306.25
  5. Step 5: Solve for x
    x = 2,190,348,200,306.25/679,936.50
  6. Step 6: Final answer
    x = 3,221,401.12

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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.