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Finding the Third Proportional to 200,965 and 272,917

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Solution

The third proportional to 200,965 and 272,917 is: 370,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,965 : 272,917 = 272,917 : x
  2. Step 2: Convert to fraction form
    200,965/272,917 = 272,917/x
  3. Step 3: Cross multiply
    200,965x = 272,917 × 272,917
  4. Step 4: Simplify right side
    200,965x = 74,483,688,889
  5. Step 5: Solve for x
    x = 74,483,688,889/200,965
  6. Step 6: Final answer
    x = 370,630.15

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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.