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Finding the Third Proportional to 356,949.50 and 552,704.25

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Solution

The third proportional to 356,949.50 and 552,704.25 is: 855,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,949.50 : 552,704.25 = 552,704.25 : x
  2. Step 2: Convert to fraction form
    356,949.50/552,704.25 = 552,704.25/x
  3. Step 3: Cross multiply
    356,949.50x = 552,704.25 × 552,704.25
  4. Step 4: Simplify right side
    356,949.50x = 305,481,987,968.06
  5. Step 5: Solve for x
    x = 305,481,987,968.06/356,949.50
  6. Step 6: Final answer
    x = 855,812.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.