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Finding the Third Proportional to 151,378,145.50 and 331,414,721

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Solution

The third proportional to 151,378,145.50 and 331,414,721 is: 725,571,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,378,145.50 : 331,414,721 = 331,414,721 : x
  2. Step 2: Convert to fraction form
    151,378,145.50/331,414,721 = 331,414,721/x
  3. Step 3: Cross multiply
    151,378,145.50x = 331,414,721 × 331,414,721
  4. Step 4: Simplify right side
    151,378,145.50x = 109,835,717,295,507,840
  5. Step 5: Solve for x
    x = 109,835,717,295,507,840/151,378,145.50
  6. Step 6: Final answer
    x = 725,571,825.00

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.