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Finding the Third Proportional to 339,108 and 498,264

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Solution

The third proportional to 339,108 and 498,264 is: 732,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,108 : 498,264 = 498,264 : x
  2. Step 2: Convert to fraction form
    339,108/498,264 = 498,264/x
  3. Step 3: Cross multiply
    339,108x = 498,264 × 498,264
  4. Step 4: Simplify right side
    339,108x = 248,267,013,696
  5. Step 5: Solve for x
    x = 248,267,013,696/339,108
  6. Step 6: Final answer
    x = 732,117.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.