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Finding the Third Proportional to 12,760,194 and 28,000,439

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Solution

The third proportional to 12,760,194 and 28,000,439 is: 61,442,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,194 : 28,000,439 = 28,000,439 : x
  2. Step 2: Convert to fraction form
    12,760,194/28,000,439 = 28,000,439/x
  3. Step 3: Cross multiply
    12,760,194x = 28,000,439 × 28,000,439
  4. Step 4: Simplify right side
    12,760,194x = 784,024,584,192,721
  5. Step 5: Solve for x
    x = 784,024,584,192,721/12,760,194
  6. Step 6: Final answer
    x = 61,442,998.77

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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.