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Finding the Third Proportional to 70,825.50 and 103,686.75

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Solution

The third proportional to 70,825.50 and 103,686.75 is: 151,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,825.50 : 103,686.75 = 103,686.75 : x
  2. Step 2: Convert to fraction form
    70,825.50/103,686.75 = 103,686.75/x
  3. Step 3: Cross multiply
    70,825.50x = 103,686.75 × 103,686.75
  4. Step 4: Simplify right side
    70,825.50x = 10,750,942,125.56
  5. Step 5: Solve for x
    x = 10,750,942,125.56/70,825.50
  6. Step 6: Final answer
    x = 151,794.79

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.