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Finding the Third Proportional to 381,797.50 and 822,603.25

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Solution

The third proportional to 381,797.50 and 822,603.25 is: 1,772,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,797.50 : 822,603.25 = 822,603.25 : x
  2. Step 2: Convert to fraction form
    381,797.50/822,603.25 = 822,603.25/x
  3. Step 3: Cross multiply
    381,797.50x = 822,603.25 × 822,603.25
  4. Step 4: Simplify right side
    381,797.50x = 676,676,106,910.56
  5. Step 5: Solve for x
    x = 676,676,106,910.56/381,797.50
  6. Step 6: Final answer
    x = 1,772,342.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.