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Finding the Third Proportional to 854,305.50 and 1,879,143

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Solution

The third proportional to 854,305.50 and 1,879,143 is: 4,133,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,305.50 : 1,879,143 = 1,879,143 : x
  2. Step 2: Convert to fraction form
    854,305.50/1,879,143 = 1,879,143/x
  3. Step 3: Cross multiply
    854,305.50x = 1,879,143 × 1,879,143
  4. Step 4: Simplify right side
    854,305.50x = 3,531,178,414,449
  5. Step 5: Solve for x
    x = 3,531,178,414,449/854,305.50
  6. Step 6: Final answer
    x = 4,133,390.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.