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Finding the Third Proportional to 155,998 and 336,902

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Solution

The third proportional to 155,998 and 336,902 is: 727,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,998 : 336,902 = 336,902 : x
  2. Step 2: Convert to fraction form
    155,998/336,902 = 336,902/x
  3. Step 3: Cross multiply
    155,998x = 336,902 × 336,902
  4. Step 4: Simplify right side
    155,998x = 113,502,957,604
  5. Step 5: Solve for x
    x = 113,502,957,604/155,998
  6. Step 6: Final answer
    x = 727,592.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.