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Finding the Third Proportional to 3,420,626.50 and 7,436,648.63

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Solution

The third proportional to 3,420,626.50 and 7,436,648.63 is: 16,167,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,626.50 : 7,436,648.63 = 7,436,648.63 : x
  2. Step 2: Convert to fraction form
    3,420,626.50/7,436,648.63 = 7,436,648.63/x
  3. Step 3: Cross multiply
    3,420,626.50x = 7,436,648.63 × 7,436,648.63
  4. Step 4: Simplify right side
    3,420,626.50x = 55,303,742,771,714.39
  5. Step 5: Solve for x
    x = 55,303,742,771,714.39/3,420,626.50
  6. Step 6: Final answer
    x = 16,167,723.30

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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.