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Finding the Third Proportional to 2,987 and 7,063

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Solution

The third proportional to 2,987 and 7,063 is: 16,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987 : 7,063 = 7,063 : x
  2. Step 2: Convert to fraction form
    2,987/7,063 = 7,063/x
  3. Step 3: Cross multiply
    2,987x = 7,063 × 7,063
  4. Step 4: Simplify right side
    2,987x = 49,885,969
  5. Step 5: Solve for x
    x = 49,885,969/2,987
  6. Step 6: Final answer
    x = 16,701.03

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.