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Finding the Third Proportional to 3,108,951.28 and 6,690,294.56

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Solution

The third proportional to 3,108,951.28 and 6,690,294.56 is: 14,397,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,951.28 : 6,690,294.56 = 6,690,294.56 : x
  2. Step 2: Convert to fraction form
    3,108,951.28/6,690,294.56 = 6,690,294.56/x
  3. Step 3: Cross multiply
    3,108,951.28x = 6,690,294.56 × 6,690,294.56
  4. Step 4: Simplify right side
    3,108,951.28x = 44,760,041,333,017.06
  5. Step 5: Solve for x
    x = 44,760,041,333,017.06/3,108,951.28
  6. Step 6: Final answer
    x = 14,397,151.09

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.