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Finding the Third Proportional to 224,721 and 485,433

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Solution

The third proportional to 224,721 and 485,433 is: 1,048,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,721 : 485,433 = 485,433 : x
  2. Step 2: Convert to fraction form
    224,721/485,433 = 485,433/x
  3. Step 3: Cross multiply
    224,721x = 485,433 × 485,433
  4. Step 4: Simplify right side
    224,721x = 235,645,197,489
  5. Step 5: Solve for x
    x = 235,645,197,489/224,721
  6. Step 6: Final answer
    x = 1,048,612.27

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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.