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Finding the Third Proportional to 305,876 and 656,052

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Solution

The third proportional to 305,876 and 656,052 is: 1,407,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,876 : 656,052 = 656,052 : x
  2. Step 2: Convert to fraction form
    305,876/656,052 = 656,052/x
  3. Step 3: Cross multiply
    305,876x = 656,052 × 656,052
  4. Step 4: Simplify right side
    305,876x = 430,404,226,704
  5. Step 5: Solve for x
    x = 430,404,226,704/305,876
  6. Step 6: Final answer
    x = 1,407,119.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.