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Finding the Third Proportional to 76,648,059 and 168,135,339

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Solution

The third proportional to 76,648,059 and 168,135,339 is: 368,822,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,648,059 : 168,135,339 = 168,135,339 : x
  2. Step 2: Convert to fraction form
    76,648,059/168,135,339 = 168,135,339/x
  3. Step 3: Cross multiply
    76,648,059x = 168,135,339 × 168,135,339
  4. Step 4: Simplify right side
    76,648,059x = 28,269,492,220,644,920
  5. Step 5: Solve for x
    x = 28,269,492,220,644,920/76,648,059
  6. Step 6: Final answer
    x = 368,822,023.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.