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Finding the Third Proportional to 140,883 and 218,484

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Solution

The third proportional to 140,883 and 218,484 is: 338,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,883 : 218,484 = 218,484 : x
  2. Step 2: Convert to fraction form
    140,883/218,484 = 218,484/x
  3. Step 3: Cross multiply
    140,883x = 218,484 × 218,484
  4. Step 4: Simplify right side
    140,883x = 47,735,258,256
  5. Step 5: Solve for x
    x = 47,735,258,256/140,883
  6. Step 6: Final answer
    x = 338,829.09

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.