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Finding the Third Proportional to 155,148,479 and 231,377,293

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Solution

The third proportional to 155,148,479 and 231,377,293 is: 345,059,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,148,479 : 231,377,293 = 231,377,293 : x
  2. Step 2: Convert to fraction form
    155,148,479/231,377,293 = 231,377,293/x
  3. Step 3: Cross multiply
    155,148,479x = 231,377,293 × 231,377,293
  4. Step 4: Simplify right side
    155,148,479x = 53,535,451,716,007,848
  5. Step 5: Solve for x
    x = 53,535,451,716,007,848/155,148,479
  6. Step 6: Final answer
    x = 345,059,468.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.