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Finding the Third Proportional to 140,055 and 210,182

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Solution

The third proportional to 140,055 and 210,182 is: 315,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,055 : 210,182 = 210,182 : x
  2. Step 2: Convert to fraction form
    140,055/210,182 = 210,182/x
  3. Step 3: Cross multiply
    140,055x = 210,182 × 210,182
  4. Step 4: Simplify right side
    140,055x = 44,176,473,124
  5. Step 5: Solve for x
    x = 44,176,473,124/140,055
  6. Step 6: Final answer
    x = 315,422.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.