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Finding the Third Proportional to 1,080,381.38 and 2,318,226.75

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Solution

The third proportional to 1,080,381.38 and 2,318,226.75 is: 4,974,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,381.38 : 2,318,226.75 = 2,318,226.75 : x
  2. Step 2: Convert to fraction form
    1,080,381.38/2,318,226.75 = 2,318,226.75/x
  3. Step 3: Cross multiply
    1,080,381.38x = 2,318,226.75 × 2,318,226.75
  4. Step 4: Simplify right side
    1,080,381.38x = 5,374,175,264,415.56
  5. Step 5: Solve for x
    x = 5,374,175,264,415.56/1,080,381.38
  6. Step 6: Final answer
    x = 4,974,331.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.