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Finding the Third Proportional to 40,148 and 60,520

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Solution

The third proportional to 40,148 and 60,520 is: 91,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148 : 60,520 = 60,520 : x
  2. Step 2: Convert to fraction form
    40,148/60,520 = 60,520/x
  3. Step 3: Cross multiply
    40,148x = 60,520 × 60,520
  4. Step 4: Simplify right side
    40,148x = 3,662,670,400
  5. Step 5: Solve for x
    x = 3,662,670,400/40,148
  6. Step 6: Final answer
    x = 91,229.21

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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.