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Finding the Third Proportional to 70,261 and 107,149

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Solution

The third proportional to 70,261 and 107,149 is: 163,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,261 : 107,149 = 107,149 : x
  2. Step 2: Convert to fraction form
    70,261/107,149 = 107,149/x
  3. Step 3: Cross multiply
    70,261x = 107,149 × 107,149
  4. Step 4: Simplify right side
    70,261x = 11,480,908,201
  5. Step 5: Solve for x
    x = 11,480,908,201/70,261
  6. Step 6: Final answer
    x = 163,403.71

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.