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Finding the Third Proportional to 3,974,960 and 8,579,411

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Solution

The third proportional to 3,974,960 and 8,579,411 is: 18,517,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,960 : 8,579,411 = 8,579,411 : x
  2. Step 2: Convert to fraction form
    3,974,960/8,579,411 = 8,579,411/x
  3. Step 3: Cross multiply
    3,974,960x = 8,579,411 × 8,579,411
  4. Step 4: Simplify right side
    3,974,960x = 73,606,293,106,921
  5. Step 5: Solve for x
    x = 73,606,293,106,921/3,974,960
  6. Step 6: Final answer
    x = 18,517,492.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.