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Finding the Third Proportional to 200,750 and 445,788

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Solution

The third proportional to 200,750 and 445,788 is: 989,922.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,750 : 445,788 = 445,788 : x
  2. Step 2: Convert to fraction form
    200,750/445,788 = 445,788/x
  3. Step 3: Cross multiply
    200,750x = 445,788 × 445,788
  4. Step 4: Simplify right side
    200,750x = 198,726,940,944
  5. Step 5: Solve for x
    x = 198,726,940,944/200,750
  6. Step 6: Final answer
    x = 989,922.50

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.