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Finding the Third Proportional to 711,531 and 1,555,794

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Solution

The third proportional to 711,531 and 1,555,794 is: 3,401,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,531 : 1,555,794 = 1,555,794 : x
  2. Step 2: Convert to fraction form
    711,531/1,555,794 = 1,555,794/x
  3. Step 3: Cross multiply
    711,531x = 1,555,794 × 1,555,794
  4. Step 4: Simplify right side
    711,531x = 2,420,494,970,436
  5. Step 5: Solve for x
    x = 2,420,494,970,436/711,531
  6. Step 6: Final answer
    x = 3,401,812.39

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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.