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Finding the Third Proportional to 7,078 and 9,896

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Solution

The third proportional to 7,078 and 9,896 is: 13,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078 : 9,896 = 9,896 : x
  2. Step 2: Convert to fraction form
    7,078/9,896 = 9,896/x
  3. Step 3: Cross multiply
    7,078x = 9,896 × 9,896
  4. Step 4: Simplify right side
    7,078x = 97,930,816
  5. Step 5: Solve for x
    x = 97,930,816/7,078
  6. Step 6: Final answer
    x = 13,835.94

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Why These Related Problems?

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