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Finding the Third Proportional to 520,081 and 1,118,891

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Solution

The third proportional to 520,081 and 1,118,891 is: 2,407,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,081 : 1,118,891 = 1,118,891 : x
  2. Step 2: Convert to fraction form
    520,081/1,118,891 = 1,118,891/x
  3. Step 3: Cross multiply
    520,081x = 1,118,891 × 1,118,891
  4. Step 4: Simplify right side
    520,081x = 1,251,917,069,881
  5. Step 5: Solve for x
    x = 1,251,917,069,881/520,081
  6. Step 6: Final answer
    x = 2,407,157.87

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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.