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Finding the Third Proportional to 2,109 and 2,952

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Solution

The third proportional to 2,109 and 2,952 is: 4,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109 : 2,952 = 2,952 : x
  2. Step 2: Convert to fraction form
    2,109/2,952 = 2,952/x
  3. Step 3: Cross multiply
    2,109x = 2,952 × 2,952
  4. Step 4: Simplify right side
    2,109x = 8,714,304
  5. Step 5: Solve for x
    x = 8,714,304/2,109
  6. Step 6: Final answer
    x = 4,131.96

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.