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Finding the Third Proportional to 2,115,888.75 and 4,993,990.88

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Solution

The third proportional to 2,115,888.75 and 4,993,990.88 is: 11,786,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,888.75 : 4,993,990.88 = 4,993,990.88 : x
  2. Step 2: Convert to fraction form
    2,115,888.75/4,993,990.88 = 4,993,990.88/x
  3. Step 3: Cross multiply
    2,115,888.75x = 4,993,990.88 × 4,993,990.88
  4. Step 4: Simplify right side
    2,115,888.75x = 24,939,944,859,583.27
  5. Step 5: Solve for x
    x = 24,939,944,859,583.27/2,115,888.75
  6. Step 6: Final answer
    x = 11,786,983.06

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.