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Finding the Third Proportional to 64,548 and 132,660

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Solution

The third proportional to 64,548 and 132,660 is: 272,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,548 : 132,660 = 132,660 : x
  2. Step 2: Convert to fraction form
    64,548/132,660 = 132,660/x
  3. Step 3: Cross multiply
    64,548x = 132,660 × 132,660
  4. Step 4: Simplify right side
    64,548x = 17,598,675,600
  5. Step 5: Solve for x
    x = 17,598,675,600/64,548
  6. Step 6: Final answer
    x = 272,644.79

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.