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Finding the Third Proportional to 85,446,350 and 132,391,515

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Solution

The third proportional to 85,446,350 and 132,391,515 is: 205,128,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,446,350 : 132,391,515 = 132,391,515 : x
  2. Step 2: Convert to fraction form
    85,446,350/132,391,515 = 132,391,515/x
  3. Step 3: Cross multiply
    85,446,350x = 132,391,515 × 132,391,515
  4. Step 4: Simplify right side
    85,446,350x = 17,527,513,243,995,224
  5. Step 5: Solve for x
    x = 17,527,513,243,995,224/85,446,350
  6. Step 6: Final answer
    x = 205,128,870.27

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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.