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Finding the Third Proportional to 29,967 and 65,217

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Solution

The third proportional to 29,967 and 65,217 is: 141,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,967 : 65,217 = 65,217 : x
  2. Step 2: Convert to fraction form
    29,967/65,217 = 65,217/x
  3. Step 3: Cross multiply
    29,967x = 65,217 × 65,217
  4. Step 4: Simplify right side
    29,967x = 4,253,257,089
  5. Step 5: Solve for x
    x = 4,253,257,089/29,967
  6. Step 6: Final answer
    x = 141,931.36

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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.