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Finding the Third Proportional to 3,596,908.78 and 7,727,445.56

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Solution

The third proportional to 3,596,908.78 and 7,727,445.56 is: 16,601,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596,908.78 : 7,727,445.56 = 7,727,445.56 : x
  2. Step 2: Convert to fraction form
    3,596,908.78/7,727,445.56 = 7,727,445.56/x
  3. Step 3: Cross multiply
    3,596,908.78x = 7,727,445.56 × 7,727,445.56
  4. Step 4: Simplify right side
    3,596,908.78x = 59,713,414,921,400.94
  5. Step 5: Solve for x
    x = 59,713,414,921,400.94/3,596,908.78
  6. Step 6: Final answer
    x = 16,601,314.78

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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.