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Finding the Third Proportional to 206,864,766 and 308,503,242

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Solution

The third proportional to 206,864,766 and 308,503,242 is: 460,079,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,864,766 : 308,503,242 = 308,503,242 : x
  2. Step 2: Convert to fraction form
    206,864,766/308,503,242 = 308,503,242/x
  3. Step 3: Cross multiply
    206,864,766x = 308,503,242 × 308,503,242
  4. Step 4: Simplify right side
    206,864,766x = 95,174,250,324,510,560
  5. Step 5: Solve for x
    x = 95,174,250,324,510,560/206,864,766
  6. Step 6: Final answer
    x = 460,079,559.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.