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Finding the Third Proportional to 780,928.50 and 1,206,786

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Solution

The third proportional to 780,928.50 and 1,206,786 is: 1,864,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,928.50 : 1,206,786 = 1,206,786 : x
  2. Step 2: Convert to fraction form
    780,928.50/1,206,786 = 1,206,786/x
  3. Step 3: Cross multiply
    780,928.50x = 1,206,786 × 1,206,786
  4. Step 4: Simplify right side
    780,928.50x = 1,456,332,449,796
  5. Step 5: Solve for x
    x = 1,456,332,449,796/780,928.50
  6. Step 6: Final answer
    x = 1,864,872.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.