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Finding the Third Proportional to 565,517 and 1,219,621

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Solution

The third proportional to 565,517 and 1,219,621 is: 2,630,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,517 : 1,219,621 = 1,219,621 : x
  2. Step 2: Convert to fraction form
    565,517/1,219,621 = 1,219,621/x
  3. Step 3: Cross multiply
    565,517x = 1,219,621 × 1,219,621
  4. Step 4: Simplify right side
    565,517x = 1,487,475,383,641
  5. Step 5: Solve for x
    x = 1,487,475,383,641/565,517
  6. Step 6: Final answer
    x = 2,630,292.96

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.