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Finding the Third Proportional to 272,634 and 413,850

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Solution

The third proportional to 272,634 and 413,850 is: 628,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,634 : 413,850 = 413,850 : x
  2. Step 2: Convert to fraction form
    272,634/413,850 = 413,850/x
  3. Step 3: Cross multiply
    272,634x = 413,850 × 413,850
  4. Step 4: Simplify right side
    272,634x = 171,271,822,500
  5. Step 5: Solve for x
    x = 171,271,822,500/272,634
  6. Step 6: Final answer
    x = 628,211.53

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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.