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Finding the Third Proportional to 303,330.75 and 666,292.75

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Solution

The third proportional to 303,330.75 and 666,292.75 is: 1,463,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,330.75 : 666,292.75 = 666,292.75 : x
  2. Step 2: Convert to fraction form
    303,330.75/666,292.75 = 666,292.75/x
  3. Step 3: Cross multiply
    303,330.75x = 666,292.75 × 666,292.75
  4. Step 4: Simplify right side
    303,330.75x = 443,946,028,702.56
  5. Step 5: Solve for x
    x = 443,946,028,702.56/303,330.75
  6. Step 6: Final answer
    x = 1,463,570.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.