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Finding the Third Proportional to 219,663 and 477,963

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Solution

The third proportional to 219,663 and 477,963 is: 1,039,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,663 : 477,963 = 477,963 : x
  2. Step 2: Convert to fraction form
    219,663/477,963 = 477,963/x
  3. Step 3: Cross multiply
    219,663x = 477,963 × 477,963
  4. Step 4: Simplify right side
    219,663x = 228,448,629,369
  5. Step 5: Solve for x
    x = 228,448,629,369/219,663
  6. Step 6: Final answer
    x = 1,039,995.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.