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Finding the Third Proportional to 12,783 and 27,933

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Solution

The third proportional to 12,783 and 27,933 is: 61,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783 : 27,933 = 27,933 : x
  2. Step 2: Convert to fraction form
    12,783/27,933 = 27,933/x
  3. Step 3: Cross multiply
    12,783x = 27,933 × 27,933
  4. Step 4: Simplify right side
    12,783x = 780,252,489
  5. Step 5: Solve for x
    x = 780,252,489/12,783
  6. Step 6: Final answer
    x = 61,038.29

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.