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Finding the Third Proportional to 7,106 and 9,979

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Solution

The third proportional to 7,106 and 9,979 is: 14,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106 : 9,979 = 9,979 : x
  2. Step 2: Convert to fraction form
    7,106/9,979 = 9,979/x
  3. Step 3: Cross multiply
    7,106x = 9,979 × 9,979
  4. Step 4: Simplify right side
    7,106x = 99,580,441
  5. Step 5: Solve for x
    x = 99,580,441/7,106
  6. Step 6: Final answer
    x = 14,013.57

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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.