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Finding the Third Proportional to 1,108,308.94 and 2,387,590.31

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Solution

The third proportional to 1,108,308.94 and 2,387,590.31 is: 5,143,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,308.94 : 2,387,590.31 = 2,387,590.31 : x
  2. Step 2: Convert to fraction form
    1,108,308.94/2,387,590.31 = 2,387,590.31/x
  3. Step 3: Cross multiply
    1,108,308.94x = 2,387,590.31 × 2,387,590.31
  4. Step 4: Simplify right side
    1,108,308.94x = 5,700,587,500,343.85
  5. Step 5: Solve for x
    x = 5,700,587,500,343.85/1,108,308.94
  6. Step 6: Final answer
    x = 5,143,500.43

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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.