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Finding the Third Proportional to 27,450 and 64,185

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Solution

The third proportional to 27,450 and 64,185 is: 150,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,450 : 64,185 = 64,185 : x
  2. Step 2: Convert to fraction form
    27,450/64,185 = 64,185/x
  3. Step 3: Cross multiply
    27,450x = 64,185 × 64,185
  4. Step 4: Simplify right side
    27,450x = 4,119,714,225
  5. Step 5: Solve for x
    x = 4,119,714,225/27,450
  6. Step 6: Final answer
    x = 150,080.66

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.