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Finding the Third Proportional to 273,861,109 and 424,204,312

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Solution

The third proportional to 273,861,109 and 424,204,312 is: 657,082,339.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,861,109 : 424,204,312 = 424,204,312 : x
  2. Step 2: Convert to fraction form
    273,861,109/424,204,312 = 424,204,312/x
  3. Step 3: Cross multiply
    273,861,109x = 424,204,312 × 424,204,312
  4. Step 4: Simplify right side
    273,861,109x = 179,949,298,319,393,344
  5. Step 5: Solve for x
    x = 179,949,298,319,393,344/273,861,109
  6. Step 6: Final answer
    x = 657,082,339.94

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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.