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Finding the Third Proportional to 12,810 and 27,796

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Solution

The third proportional to 12,810 and 27,796 is: 60,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810 : 27,796 = 27,796 : x
  2. Step 2: Convert to fraction form
    12,810/27,796 = 27,796/x
  3. Step 3: Cross multiply
    12,810x = 27,796 × 27,796
  4. Step 4: Simplify right side
    12,810x = 772,617,616
  5. Step 5: Solve for x
    x = 772,617,616/12,810
  6. Step 6: Final answer
    x = 60,313.63

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.