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Finding the Third Proportional to 201,391,553 and 433,771,530

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Solution

The third proportional to 201,391,553 and 433,771,530 is: 934,288,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,391,553 : 433,771,530 = 433,771,530 : x
  2. Step 2: Convert to fraction form
    201,391,553/433,771,530 = 433,771,530/x
  3. Step 3: Cross multiply
    201,391,553x = 433,771,530 × 433,771,530
  4. Step 4: Simplify right side
    201,391,553x = 188,157,740,238,540,896
  5. Step 5: Solve for x
    x = 188,157,740,238,540,896/201,391,553
  6. Step 6: Final answer
    x = 934,288,143.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.