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Finding the Third Proportional to 348,399 and 763,228.13

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Solution

The third proportional to 348,399 and 763,228.13 is: 1,671,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,399 : 763,228.13 = 763,228.13 : x
  2. Step 2: Convert to fraction form
    348,399/763,228.13 = 763,228.13/x
  3. Step 3: Cross multiply
    348,399x = 763,228.13 × 763,228.13
  4. Step 4: Simplify right side
    348,399x = 582,517,170,791.02
  5. Step 5: Solve for x
    x = 582,517,170,791.02/348,399
  6. Step 6: Final answer
    x = 1,671,982.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.