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Finding the Third Proportional to 85,446,348 and 132,391,512

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Solution

The third proportional to 85,446,348 and 132,391,512 is: 205,128,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,446,348 : 132,391,512 = 132,391,512 : x
  2. Step 2: Convert to fraction form
    85,446,348/132,391,512 = 132,391,512/x
  3. Step 3: Cross multiply
    85,446,348x = 132,391,512 × 132,391,512
  4. Step 4: Simplify right side
    85,446,348x = 17,527,512,449,646,144
  5. Step 5: Solve for x
    x = 17,527,512,449,646,144/85,446,348
  6. Step 6: Final answer
    x = 205,128,865.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.