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Finding the Third Proportional to 854,917 and 1,334,134

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Solution

The third proportional to 854,917 and 1,334,134 is: 2,081,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,917 : 1,334,134 = 1,334,134 : x
  2. Step 2: Convert to fraction form
    854,917/1,334,134 = 1,334,134/x
  3. Step 3: Cross multiply
    854,917x = 1,334,134 × 1,334,134
  4. Step 4: Simplify right side
    854,917x = 1,779,913,529,956
  5. Step 5: Solve for x
    x = 1,779,913,529,956/854,917
  6. Step 6: Final answer
    x = 2,081,972.32

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.