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Finding the Third Proportional to 1,108,311.19 and 2,387,594.81

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Solution

The third proportional to 1,108,311.19 and 2,387,594.81 is: 5,143,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,311.19 : 2,387,594.81 = 2,387,594.81 : x
  2. Step 2: Convert to fraction form
    1,108,311.19/2,387,594.81 = 2,387,594.81/x
  3. Step 3: Cross multiply
    1,108,311.19x = 2,387,594.81 × 2,387,594.81
  4. Step 4: Simplify right side
    1,108,311.19x = 5,700,608,988,676.91
  5. Step 5: Solve for x
    x = 5,700,608,988,676.91/1,108,311.19
  6. Step 6: Final answer
    x = 5,143,509.38

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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.