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Finding the Third Proportional to 75,610.50 and 111,690.75

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Solution

The third proportional to 75,610.50 and 111,690.75 is: 164,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,610.50 : 111,690.75 = 111,690.75 : x
  2. Step 2: Convert to fraction form
    75,610.50/111,690.75 = 111,690.75/x
  3. Step 3: Cross multiply
    75,610.50x = 111,690.75 × 111,690.75
  4. Step 4: Simplify right side
    75,610.50x = 12,474,823,635.56
  5. Step 5: Solve for x
    x = 12,474,823,635.56/75,610.50
  6. Step 6: Final answer
    x = 164,987.98

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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.