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Finding the Third Proportional to 166,070,549 and 356,786,502

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Solution

The third proportional to 166,070,549 and 356,786,502 is: 766,521,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,070,549 : 356,786,502 = 356,786,502 : x
  2. Step 2: Convert to fraction form
    166,070,549/356,786,502 = 356,786,502/x
  3. Step 3: Cross multiply
    166,070,549x = 356,786,502 × 356,786,502
  4. Step 4: Simplify right side
    166,070,549x = 127,296,608,009,396,000
  5. Step 5: Solve for x
    x = 127,296,608,009,396,000/166,070,549
  6. Step 6: Final answer
    x = 766,521,269.28

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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.