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Finding the Third Proportional to 12,760,198 and 28,000,446

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Solution

The third proportional to 12,760,198 and 28,000,446 is: 61,443,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,198 : 28,000,446 = 28,000,446 : x
  2. Step 2: Convert to fraction form
    12,760,198/28,000,446 = 28,000,446/x
  3. Step 3: Cross multiply
    12,760,198x = 28,000,446 × 28,000,446
  4. Step 4: Simplify right side
    12,760,198x = 784,024,976,198,916
  5. Step 5: Solve for x
    x = 784,024,976,198,916/12,760,198
  6. Step 6: Final answer
    x = 61,443,010.23

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.