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Finding the Third Proportional to 27,936 and 56,784

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Solution

The third proportional to 27,936 and 56,784 is: 115,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936 : 56,784 = 56,784 : x
  2. Step 2: Convert to fraction form
    27,936/56,784 = 56,784/x
  3. Step 3: Cross multiply
    27,936x = 56,784 × 56,784
  4. Step 4: Simplify right side
    27,936x = 3,224,422,656
  5. Step 5: Solve for x
    x = 3,224,422,656/27,936
  6. Step 6: Final answer
    x = 115,421.77

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.