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Finding the Third Proportional to 143,682 and 306,906

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Solution

The third proportional to 143,682 and 306,906 is: 655,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,682 : 306,906 = 306,906 : x
  2. Step 2: Convert to fraction form
    143,682/306,906 = 306,906/x
  3. Step 3: Cross multiply
    143,682x = 306,906 × 306,906
  4. Step 4: Simplify right side
    143,682x = 94,191,292,836
  5. Step 5: Solve for x
    x = 94,191,292,836/143,682
  6. Step 6: Final answer
    x = 655,553.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.