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Finding the Third Proportional to 854,288 and 1,879,108

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Solution

The third proportional to 854,288 and 1,879,108 is: 4,133,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,288 : 1,879,108 = 1,879,108 : x
  2. Step 2: Convert to fraction form
    854,288/1,879,108 = 1,879,108/x
  3. Step 3: Cross multiply
    854,288x = 1,879,108 × 1,879,108
  4. Step 4: Simplify right side
    854,288x = 3,531,046,875,664
  5. Step 5: Solve for x
    x = 3,531,046,875,664/854,288
  6. Step 6: Final answer
    x = 4,133,321.40

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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.