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Finding the Third Proportional to 40,129.50 and 62,223

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Solution

The third proportional to 40,129.50 and 62,223 is: 96,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.50 : 62,223 = 62,223 : x
  2. Step 2: Convert to fraction form
    40,129.50/62,223 = 62,223/x
  3. Step 3: Cross multiply
    40,129.50x = 62,223 × 62,223
  4. Step 4: Simplify right side
    40,129.50x = 3,871,701,729
  5. Step 5: Solve for x
    x = 3,871,701,729/40,129.50
  6. Step 6: Final answer
    x = 96,480.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.