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Finding the Third Proportional to 200,560 and 266,226

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Solution

The third proportional to 200,560 and 266,226 is: 353,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,560 : 266,226 = 266,226 : x
  2. Step 2: Convert to fraction form
    200,560/266,226 = 266,226/x
  3. Step 3: Cross multiply
    200,560x = 266,226 × 266,226
  4. Step 4: Simplify right side
    200,560x = 70,876,283,076
  5. Step 5: Solve for x
    x = 70,876,283,076/200,560
  6. Step 6: Final answer
    x = 353,391.92

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.