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Finding the Third Proportional to 1,908,869 and 4,149,069

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Solution

The third proportional to 1,908,869 and 4,149,069 is: 9,018,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,869 : 4,149,069 = 4,149,069 : x
  2. Step 2: Convert to fraction form
    1,908,869/4,149,069 = 4,149,069/x
  3. Step 3: Cross multiply
    1,908,869x = 4,149,069 × 4,149,069
  4. Step 4: Simplify right side
    1,908,869x = 17,214,773,566,761
  5. Step 5: Solve for x
    x = 17,214,773,566,761/1,908,869
  6. Step 6: Final answer
    x = 9,018,310.62

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.