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Finding the Third Proportional to 543,713 and 1,279,373

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Solution

The third proportional to 543,713 and 1,279,373 is: 3,010,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,713 : 1,279,373 = 1,279,373 : x
  2. Step 2: Convert to fraction form
    543,713/1,279,373 = 1,279,373/x
  3. Step 3: Cross multiply
    543,713x = 1,279,373 × 1,279,373
  4. Step 4: Simplify right side
    543,713x = 1,636,795,273,129
  5. Step 5: Solve for x
    x = 1,636,795,273,129/543,713
  6. Step 6: Final answer
    x = 3,010,403.05

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.