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Finding the Third Proportional to 246,058 and 385,489

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Solution

The third proportional to 246,058 and 385,489 is: 603,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,058 : 385,489 = 385,489 : x
  2. Step 2: Convert to fraction form
    246,058/385,489 = 385,489/x
  3. Step 3: Cross multiply
    246,058x = 385,489 × 385,489
  4. Step 4: Simplify right side
    246,058x = 148,601,769,121
  5. Step 5: Solve for x
    x = 148,601,769,121/246,058
  6. Step 6: Final answer
    x = 603,929.84

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.