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Finding the Third Proportional to 4,041,879.75 and 8,763,643.13

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Solution

The third proportional to 4,041,879.75 and 8,763,643.13 is: 19,001,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,041,879.75 : 8,763,643.13 = 8,763,643.13 : x
  2. Step 2: Convert to fraction form
    4,041,879.75/8,763,643.13 = 8,763,643.13/x
  3. Step 3: Cross multiply
    4,041,879.75x = 8,763,643.13 × 8,763,643.13
  4. Step 4: Simplify right side
    4,041,879.75x = 76,801,440,822,359.77
  5. Step 5: Solve for x
    x = 76,801,440,822,359.77/4,041,879.75
  6. Step 6: Final answer
    x = 19,001,416.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.