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Finding the Third Proportional to 85,274 and 180,938

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Solution

The third proportional to 85,274 and 180,938 is: 383,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,274 : 180,938 = 180,938 : x
  2. Step 2: Convert to fraction form
    85,274/180,938 = 180,938/x
  3. Step 3: Cross multiply
    85,274x = 180,938 × 180,938
  4. Step 4: Simplify right side
    85,274x = 32,738,559,844
  5. Step 5: Solve for x
    x = 32,738,559,844/85,274
  6. Step 6: Final answer
    x = 383,921.94

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.