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Finding the Third Proportional to 39,487.50 and 51,227.44

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Solution

The third proportional to 39,487.50 and 51,227.44 is: 66,457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,487.50 : 51,227.44 = 51,227.44 : x
  2. Step 2: Convert to fraction form
    39,487.50/51,227.44 = 51,227.44/x
  3. Step 3: Cross multiply
    39,487.50x = 51,227.44 × 51,227.44
  4. Step 4: Simplify right side
    39,487.50x = 2,624,250,352.82
  5. Step 5: Solve for x
    x = 2,624,250,352.82/39,487.50
  6. Step 6: Final answer
    x = 66,457.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.