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Finding the Third Proportional to 29,652 and 64,221

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Solution

The third proportional to 29,652 and 64,221 is: 139,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,652 : 64,221 = 64,221 : x
  2. Step 2: Convert to fraction form
    29,652/64,221 = 64,221/x
  3. Step 3: Cross multiply
    29,652x = 64,221 × 64,221
  4. Step 4: Simplify right side
    29,652x = 4,124,336,841
  5. Step 5: Solve for x
    x = 4,124,336,841/29,652
  6. Step 6: Final answer
    x = 139,091.35

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.