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Finding the Third Proportional to 8,519,854 and 12,868,485

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Solution

The third proportional to 8,519,854 and 12,868,485 is: 19,436,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,854 : 12,868,485 = 12,868,485 : x
  2. Step 2: Convert to fraction form
    8,519,854/12,868,485 = 12,868,485/x
  3. Step 3: Cross multiply
    8,519,854x = 12,868,485 × 12,868,485
  4. Step 4: Simplify right side
    8,519,854x = 165,597,906,195,225
  5. Step 5: Solve for x
    x = 165,597,906,195,225/8,519,854
  6. Step 6: Final answer
    x = 19,436,707.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.