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Finding the Third Proportional to 660,676 and 997,206

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Solution

The third proportional to 660,676 and 997,206 is: 1,505,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,676 : 997,206 = 997,206 : x
  2. Step 2: Convert to fraction form
    660,676/997,206 = 997,206/x
  3. Step 3: Cross multiply
    660,676x = 997,206 × 997,206
  4. Step 4: Simplify right side
    660,676x = 994,419,806,436
  5. Step 5: Solve for x
    x = 994,419,806,436/660,676
  6. Step 6: Final answer
    x = 1,505,155.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.