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Finding the Third Proportional to 800,216 and 1,238,664

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Solution

The third proportional to 800,216 and 1,238,664 is: 1,917,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,216 : 1,238,664 = 1,238,664 : x
  2. Step 2: Convert to fraction form
    800,216/1,238,664 = 1,238,664/x
  3. Step 3: Cross multiply
    800,216x = 1,238,664 × 1,238,664
  4. Step 4: Simplify right side
    800,216x = 1,534,288,504,896
  5. Step 5: Solve for x
    x = 1,534,288,504,896/800,216
  6. Step 6: Final answer
    x = 1,917,342.95

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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.