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Finding the Third Proportional to 661,980 and 992,754

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Solution

The third proportional to 661,980 and 992,754 is: 1,488,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,980 : 992,754 = 992,754 : x
  2. Step 2: Convert to fraction form
    661,980/992,754 = 992,754/x
  3. Step 3: Cross multiply
    661,980x = 992,754 × 992,754
  4. Step 4: Simplify right side
    661,980x = 985,560,504,516
  5. Step 5: Solve for x
    x = 985,560,504,516/661,980
  6. Step 6: Final answer
    x = 1,488,807.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.