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Finding the Third Proportional to 3,974,984 and 8,579,464

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Solution

The third proportional to 3,974,984 and 8,579,464 is: 18,517,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,984 : 8,579,464 = 8,579,464 : x
  2. Step 2: Convert to fraction form
    3,974,984/8,579,464 = 8,579,464/x
  3. Step 3: Cross multiply
    3,974,984x = 8,579,464 × 8,579,464
  4. Step 4: Simplify right side
    3,974,984x = 73,607,202,527,296
  5. Step 5: Solve for x
    x = 73,607,202,527,296/3,974,984
  6. Step 6: Final answer
    x = 18,517,609.76

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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.