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Finding the Third Proportional to 51,293.25 and 77,623.31

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Solution

The third proportional to 51,293.25 and 77,623.31 is: 117,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293.25 : 77,623.31 = 77,623.31 : x
  2. Step 2: Convert to fraction form
    51,293.25/77,623.31 = 77,623.31/x
  3. Step 3: Cross multiply
    51,293.25x = 77,623.31 × 77,623.31
  4. Step 4: Simplify right side
    51,293.25x = 6,025,378,643.47
  5. Step 5: Solve for x
    x = 6,025,378,643.47/51,293.25
  6. Step 6: Final answer
    x = 117,469.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.