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Finding the Third Proportional to 711,292 and 1,555,366

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Solution

The third proportional to 711,292 and 1,555,366 is: 3,401,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,292 : 1,555,366 = 1,555,366 : x
  2. Step 2: Convert to fraction form
    711,292/1,555,366 = 1,555,366/x
  3. Step 3: Cross multiply
    711,292x = 1,555,366 × 1,555,366
  4. Step 4: Simplify right side
    711,292x = 2,419,163,393,956
  5. Step 5: Solve for x
    x = 2,419,163,393,956/711,292
  6. Step 6: Final answer
    x = 3,401,083.37

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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.