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Finding the Third Proportional to 39,995.50 and 60,246

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Solution

The third proportional to 39,995.50 and 60,246 is: 90,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,995.50 : 60,246 = 60,246 : x
  2. Step 2: Convert to fraction form
    39,995.50/60,246 = 60,246/x
  3. Step 3: Cross multiply
    39,995.50x = 60,246 × 60,246
  4. Step 4: Simplify right side
    39,995.50x = 3,629,580,516
  5. Step 5: Solve for x
    x = 3,629,580,516/39,995.50
  6. Step 6: Final answer
    x = 90,749.72

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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.