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Finding the Third Proportional to 73,721.25 and 110,317.50

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Solution

The third proportional to 73,721.25 and 110,317.50 is: 165,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721.25 : 110,317.50 = 110,317.50 : x
  2. Step 2: Convert to fraction form
    73,721.25/110,317.50 = 110,317.50/x
  3. Step 3: Cross multiply
    73,721.25x = 110,317.50 × 110,317.50
  4. Step 4: Simplify right side
    73,721.25x = 12,169,950,806.25
  5. Step 5: Solve for x
    x = 12,169,950,806.25/73,721.25
  6. Step 6: Final answer
    x = 165,080.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.