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Finding the Third Proportional to 12,858 and 27,813

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Solution

The third proportional to 12,858 and 27,813 is: 60,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858 : 27,813 = 27,813 : x
  2. Step 2: Convert to fraction form
    12,858/27,813 = 27,813/x
  3. Step 3: Cross multiply
    12,858x = 27,813 × 27,813
  4. Step 4: Simplify right side
    12,858x = 773,562,969
  5. Step 5: Solve for x
    x = 773,562,969/12,858
  6. Step 6: Final answer
    x = 60,162.00

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.