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Finding the Third Proportional to 2,499,990.75 and 3,539,790.75

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Solution

The third proportional to 2,499,990.75 and 3,539,790.75 is: 5,012,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499,990.75 : 3,539,790.75 = 3,539,790.75 : x
  2. Step 2: Convert to fraction form
    2,499,990.75/3,539,790.75 = 3,539,790.75/x
  3. Step 3: Cross multiply
    2,499,990.75x = 3,539,790.75 × 3,539,790.75
  4. Step 4: Simplify right side
    2,499,990.75x = 12,530,118,553,785.56
  5. Step 5: Solve for x
    x = 12,530,118,553,785.56/2,499,990.75
  6. Step 6: Final answer
    x = 5,012,065.97

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.