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Finding the Third Proportional to 75,427.03 and 111,835.13

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Solution

The third proportional to 75,427.03 and 111,835.13 is: 165,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,427.03 : 111,835.13 = 111,835.13 : x
  2. Step 2: Convert to fraction form
    75,427.03/111,835.13 = 111,835.13/x
  3. Step 3: Cross multiply
    75,427.03x = 111,835.13 × 111,835.13
  4. Step 4: Simplify right side
    75,427.03x = 12,507,095,183.77
  5. Step 5: Solve for x
    x = 12,507,095,183.77/75,427.03
  6. Step 6: Final answer
    x = 165,817.15

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.