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Finding the Third Proportional to 545,840 and 827,241

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Solution

The third proportional to 545,840 and 827,241 is: 1,253,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,840 : 827,241 = 827,241 : x
  2. Step 2: Convert to fraction form
    545,840/827,241 = 827,241/x
  3. Step 3: Cross multiply
    545,840x = 827,241 × 827,241
  4. Step 4: Simplify right side
    545,840x = 684,327,672,081
  5. Step 5: Solve for x
    x = 684,327,672,081/545,840
  6. Step 6: Final answer
    x = 1,253,714.77

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.