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Finding the Third Proportional to 986,466.09 and 2,119,785.19

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Solution

The third proportional to 986,466.09 and 2,119,785.19 is: 4,555,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,466.09 : 2,119,785.19 = 2,119,785.19 : x
  2. Step 2: Convert to fraction form
    986,466.09/2,119,785.19 = 2,119,785.19/x
  3. Step 3: Cross multiply
    986,466.09x = 2,119,785.19 × 2,119,785.19
  4. Step 4: Simplify right side
    986,466.09x = 4,493,489,241,144.41
  5. Step 5: Solve for x
    x = 4,493,489,241,144.41/986,466.09
  6. Step 6: Final answer
    x = 4,555,138.05

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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.