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Finding the Third Proportional to 3,994,656.75 and 8,736,805.13

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Solution

The third proportional to 3,994,656.75 and 8,736,805.13 is: 19,108,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994,656.75 : 8,736,805.13 = 8,736,805.13 : x
  2. Step 2: Convert to fraction form
    3,994,656.75/8,736,805.13 = 8,736,805.13/x
  3. Step 3: Cross multiply
    3,994,656.75x = 8,736,805.13 × 8,736,805.13
  4. Step 4: Simplify right side
    3,994,656.75x = 76,331,763,792,226.27
  5. Step 5: Solve for x
    x = 76,331,763,792,226.27/3,994,656.75
  6. Step 6: Final answer
    x = 19,108,466.28

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.