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Finding the Third Proportional to 3,964,411 and 8,656,885

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Solution

The third proportional to 3,964,411 and 8,656,885 is: 18,903,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,411 : 8,656,885 = 8,656,885 : x
  2. Step 2: Convert to fraction form
    3,964,411/8,656,885 = 8,656,885/x
  3. Step 3: Cross multiply
    3,964,411x = 8,656,885 × 8,656,885
  4. Step 4: Simplify right side
    3,964,411x = 74,941,657,903,225
  5. Step 5: Solve for x
    x = 74,941,657,903,225/3,964,411
  6. Step 6: Final answer
    x = 18,903,604.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.