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Finding the Third Proportional to 271,638,387 and 589,213,156.50

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Solution

The third proportional to 271,638,387 and 589,213,156.50 is: 1,278,067,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,638,387 : 589,213,156.50 = 589,213,156.50 : x
  2. Step 2: Convert to fraction form
    271,638,387/589,213,156.50 = 589,213,156.50/x
  3. Step 3: Cross multiply
    271,638,387x = 589,213,156.50 × 589,213,156.50
  4. Step 4: Simplify right side
    271,638,387x = 347,172,143,792,693,504
  5. Step 5: Solve for x
    x = 347,172,143,792,693,504/271,638,387
  6. Step 6: Final answer
    x = 1,278,067,314.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.