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Finding the Third Proportional to 4,189,165.88 and 6,405,590.25

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Solution

The third proportional to 4,189,165.88 and 6,405,590.25 is: 9,794,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189,165.88 : 6,405,590.25 = 6,405,590.25 : x
  2. Step 2: Convert to fraction form
    4,189,165.88/6,405,590.25 = 6,405,590.25/x
  3. Step 3: Cross multiply
    4,189,165.88x = 6,405,590.25 × 6,405,590.25
  4. Step 4: Simplify right side
    4,189,165.88x = 41,031,586,450,895.06
  5. Step 5: Solve for x
    x = 41,031,586,450,895.06/4,189,165.88
  6. Step 6: Final answer
    x = 9,794,691.28

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.