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Finding the Third Proportional to 246,510 and 380,208

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Solution

The third proportional to 246,510 and 380,208 is: 586,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,510 : 380,208 = 380,208 : x
  2. Step 2: Convert to fraction form
    246,510/380,208 = 380,208/x
  3. Step 3: Cross multiply
    246,510x = 380,208 × 380,208
  4. Step 4: Simplify right side
    246,510x = 144,558,123,264
  5. Step 5: Solve for x
    x = 144,558,123,264/246,510
  6. Step 6: Final answer
    x = 586,418.90

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.