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Finding the Third Proportional to 246,740 and 530,188

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Solution

The third proportional to 246,740 and 530,188 is: 1,139,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,740 : 530,188 = 530,188 : x
  2. Step 2: Convert to fraction form
    246,740/530,188 = 530,188/x
  3. Step 3: Cross multiply
    246,740x = 530,188 × 530,188
  4. Step 4: Simplify right side
    246,740x = 281,099,315,344
  5. Step 5: Solve for x
    x = 281,099,315,344/246,740
  6. Step 6: Final answer
    x = 1,139,253.12

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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.