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Finding the Third Proportional to 16,810 and 27,919

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Solution

The third proportional to 16,810 and 27,919 is: 46,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810 : 27,919 = 27,919 : x
  2. Step 2: Convert to fraction form
    16,810/27,919 = 27,919/x
  3. Step 3: Cross multiply
    16,810x = 27,919 × 27,919
  4. Step 4: Simplify right side
    16,810x = 779,470,561
  5. Step 5: Solve for x
    x = 779,470,561/16,810
  6. Step 6: Final answer
    x = 46,369.46

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.