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Finding the Third Proportional to 8,702,494 and 18,120,156

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Solution

The third proportional to 8,702,494 and 18,120,156 is: 37,729,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,494 : 18,120,156 = 18,120,156 : x
  2. Step 2: Convert to fraction form
    8,702,494/18,120,156 = 18,120,156/x
  3. Step 3: Cross multiply
    8,702,494x = 18,120,156 × 18,120,156
  4. Step 4: Simplify right side
    8,702,494x = 328,340,053,464,336
  5. Step 5: Solve for x
    x = 328,340,053,464,336/8,702,494
  6. Step 6: Final answer
    x = 37,729,420.26

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.