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Finding the Third Proportional to 39,056,918 and 85,057,197

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Solution

The third proportional to 39,056,918 and 85,057,197 is: 185,235,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,056,918 : 85,057,197 = 85,057,197 : x
  2. Step 2: Convert to fraction form
    39,056,918/85,057,197 = 85,057,197/x
  3. Step 3: Cross multiply
    39,056,918x = 85,057,197 × 85,057,197
  4. Step 4: Simplify right side
    39,056,918x = 7,234,726,761,496,809
  5. Step 5: Solve for x
    x = 7,234,726,761,496,809/39,056,918
  6. Step 6: Final answer
    x = 185,235,475.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.