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Finding the Third Proportional to 53,794 and 78,963

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Solution

The third proportional to 53,794 and 78,963 is: 115,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,794 : 78,963 = 78,963 : x
  2. Step 2: Convert to fraction form
    53,794/78,963 = 78,963/x
  3. Step 3: Cross multiply
    53,794x = 78,963 × 78,963
  4. Step 4: Simplify right side
    53,794x = 6,235,155,369
  5. Step 5: Solve for x
    x = 6,235,155,369/53,794
  6. Step 6: Final answer
    x = 115,908.01

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.