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Finding the Third Proportional to 133,074.56 and 288,297.56

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Solution

The third proportional to 133,074.56 and 288,297.56 is: 624,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.56 : 288,297.56 = 288,297.56 : x
  2. Step 2: Convert to fraction form
    133,074.56/288,297.56 = 288,297.56/x
  3. Step 3: Cross multiply
    133,074.56x = 288,297.56 × 288,297.56
  4. Step 4: Simplify right side
    133,074.56x = 83,115,484,543.44
  5. Step 5: Solve for x
    x = 83,115,484,543.44/133,074.56
  6. Step 6: Final answer
    x = 624,578.30

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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.