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Finding the Third Proportional to 200,966 and 272,916

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Solution

The third proportional to 200,966 and 272,916 is: 370,625.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,966 : 272,916 = 272,916 : x
  2. Step 2: Convert to fraction form
    200,966/272,916 = 272,916/x
  3. Step 3: Cross multiply
    200,966x = 272,916 × 272,916
  4. Step 4: Simplify right side
    200,966x = 74,483,143,056
  5. Step 5: Solve for x
    x = 74,483,143,056/200,966
  6. Step 6: Final answer
    x = 370,625.59

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.