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Finding the Third Proportional to 670,266.56 and 992,379.09

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Solution

The third proportional to 670,266.56 and 992,379.09 is: 1,469,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,266.56 : 992,379.09 = 992,379.09 : x
  2. Step 2: Convert to fraction form
    670,266.56/992,379.09 = 992,379.09/x
  3. Step 3: Cross multiply
    670,266.56x = 992,379.09 × 992,379.09
  4. Step 4: Simplify right side
    670,266.56x = 984,816,265,712.07
  5. Step 5: Solve for x
    x = 984,816,265,712.07/670,266.56
  6. Step 6: Final answer
    x = 1,469,290.46

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.