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Finding the Third Proportional to 68,274 and 148,530.75

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Solution

The third proportional to 68,274 and 148,530.75 is: 323,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,274 : 148,530.75 = 148,530.75 : x
  2. Step 2: Convert to fraction form
    68,274/148,530.75 = 148,530.75/x
  3. Step 3: Cross multiply
    68,274x = 148,530.75 × 148,530.75
  4. Step 4: Simplify right side
    68,274x = 22,061,383,695.56
  5. Step 5: Solve for x
    x = 22,061,383,695.56/68,274
  6. Step 6: Final answer
    x = 323,130.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.