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Finding the Third Proportional to 27,180 and 56,106

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Solution

The third proportional to 27,180 and 56,106 is: 115,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180 : 56,106 = 56,106 : x
  2. Step 2: Convert to fraction form
    27,180/56,106 = 56,106/x
  3. Step 3: Cross multiply
    27,180x = 56,106 × 56,106
  4. Step 4: Simplify right side
    27,180x = 3,147,883,236
  5. Step 5: Solve for x
    x = 3,147,883,236/27,180
  6. Step 6: Final answer
    x = 115,816.16

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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.