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Finding the Third Proportional to 29,912.63 and 65,259

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Solution

The third proportional to 29,912.63 and 65,259 is: 142,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,912.63 : 65,259 = 65,259 : x
  2. Step 2: Convert to fraction form
    29,912.63/65,259 = 65,259/x
  3. Step 3: Cross multiply
    29,912.63x = 65,259 × 65,259
  4. Step 4: Simplify right side
    29,912.63x = 4,258,737,081
  5. Step 5: Solve for x
    x = 4,258,737,081/29,912.63
  6. Step 6: Final answer
    x = 142,372.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.