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Finding the Third Proportional to 252,236 and 542,740

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Solution

The third proportional to 252,236 and 542,740 is: 1,167,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,236 : 542,740 = 542,740 : x
  2. Step 2: Convert to fraction form
    252,236/542,740 = 542,740/x
  3. Step 3: Cross multiply
    252,236x = 542,740 × 542,740
  4. Step 4: Simplify right side
    252,236x = 294,566,707,600
  5. Step 5: Solve for x
    x = 294,566,707,600/252,236
  6. Step 6: Final answer
    x = 1,167,821.83

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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.