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Finding the Third Proportional to 219,529,806 and 433,507,548

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Solution

The third proportional to 219,529,806 and 433,507,548 is: 856,051,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,529,806 : 433,507,548 = 433,507,548 : x
  2. Step 2: Convert to fraction form
    219,529,806/433,507,548 = 433,507,548/x
  3. Step 3: Cross multiply
    219,529,806x = 433,507,548 × 433,507,548
  4. Step 4: Simplify right side
    219,529,806x = 187,928,794,172,972,288
  5. Step 5: Solve for x
    x = 187,928,794,172,972,288/219,529,806
  6. Step 6: Final answer
    x = 856,051,383.62

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.