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Finding the Third Proportional to 3,420,711 and 7,436,817.56

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Solution

The third proportional to 3,420,711 and 7,436,817.56 is: 16,168,058.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,711 : 7,436,817.56 = 7,436,817.56 : x
  2. Step 2: Convert to fraction form
    3,420,711/7,436,817.56 = 7,436,817.56/x
  3. Step 3: Cross multiply
    3,420,711x = 7,436,817.56 × 7,436,817.56
  4. Step 4: Simplify right side
    3,420,711x = 55,306,255,457,908.44
  5. Step 5: Solve for x
    x = 55,306,255,457,908.44/3,420,711
  6. Step 6: Final answer
    x = 16,168,058.47

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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.