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Finding the Third Proportional to 2,983 and 7,651

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Solution

The third proportional to 2,983 and 7,651 is: 19,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983 : 7,651 = 7,651 : x
  2. Step 2: Convert to fraction form
    2,983/7,651 = 7,651/x
  3. Step 3: Cross multiply
    2,983x = 7,651 × 7,651
  4. Step 4: Simplify right side
    2,983x = 58,537,801
  5. Step 5: Solve for x
    x = 58,537,801/2,983
  6. Step 6: Final answer
    x = 19,623.80

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.