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Finding the Third Proportional to 200,663 and 330,827

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Solution

The third proportional to 200,663 and 330,827 is: 545,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,663 : 330,827 = 330,827 : x
  2. Step 2: Convert to fraction form
    200,663/330,827 = 330,827/x
  3. Step 3: Cross multiply
    200,663x = 330,827 × 330,827
  4. Step 4: Simplify right side
    200,663x = 109,446,503,929
  5. Step 5: Solve for x
    x = 109,446,503,929/200,663
  6. Step 6: Final answer
    x = 545,424.44

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.