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Finding the Third Proportional to 29,372.50 and 65,285

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Solution

The third proportional to 29,372.50 and 65,285 is: 145,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,372.50 : 65,285 = 65,285 : x
  2. Step 2: Convert to fraction form
    29,372.50/65,285 = 65,285/x
  3. Step 3: Cross multiply
    29,372.50x = 65,285 × 65,285
  4. Step 4: Simplify right side
    29,372.50x = 4,262,131,225
  5. Step 5: Solve for x
    x = 4,262,131,225/29,372.50
  6. Step 6: Final answer
    x = 145,106.18

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.