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Finding the Third Proportional to 136,816,236 and 212,027,494

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Solution

The third proportional to 136,816,236 and 212,027,494 is: 328,584,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,816,236 : 212,027,494 = 212,027,494 : x
  2. Step 2: Convert to fraction form
    136,816,236/212,027,494 = 212,027,494/x
  3. Step 3: Cross multiply
    136,816,236x = 212,027,494 × 212,027,494
  4. Step 4: Simplify right side
    136,816,236x = 44,955,658,211,920,032
  5. Step 5: Solve for x
    x = 44,955,658,211,920,032/136,816,236
  6. Step 6: Final answer
    x = 328,584,234.78

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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.