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Finding the Third Proportional to 260,052 and 413,760

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Solution

The third proportional to 260,052 and 413,760 is: 658,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,052 : 413,760 = 413,760 : x
  2. Step 2: Convert to fraction form
    260,052/413,760 = 413,760/x
  3. Step 3: Cross multiply
    260,052x = 413,760 × 413,760
  4. Step 4: Simplify right side
    260,052x = 171,197,337,600
  5. Step 5: Solve for x
    x = 171,197,337,600/260,052
  6. Step 6: Final answer
    x = 658,319.63

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.