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Finding the Third Proportional to 240,690 and 522,204

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Solution

The third proportional to 240,690 and 522,204 is: 1,132,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,690 : 522,204 = 522,204 : x
  2. Step 2: Convert to fraction form
    240,690/522,204 = 522,204/x
  3. Step 3: Cross multiply
    240,690x = 522,204 × 522,204
  4. Step 4: Simplify right side
    240,690x = 272,697,017,616
  5. Step 5: Solve for x
    x = 272,697,017,616/240,690
  6. Step 6: Final answer
    x = 1,132,980.26

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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.