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Finding the Third Proportional to 253,712.25 and 551,164.50

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Solution

The third proportional to 253,712.25 and 551,164.50 is: 1,197,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,712.25 : 551,164.50 = 551,164.50 : x
  2. Step 2: Convert to fraction form
    253,712.25/551,164.50 = 551,164.50/x
  3. Step 3: Cross multiply
    253,712.25x = 551,164.50 × 551,164.50
  4. Step 4: Simplify right side
    253,712.25x = 303,782,306,060.25
  5. Step 5: Solve for x
    x = 303,782,306,060.25/253,712.25
  6. Step 6: Final answer
    x = 1,197,349.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.