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Finding the Third Proportional to 29,421 and 64,026

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Solution

The third proportional to 29,421 and 64,026 is: 139,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421 : 64,026 = 64,026 : x
  2. Step 2: Convert to fraction form
    29,421/64,026 = 64,026/x
  3. Step 3: Cross multiply
    29,421x = 64,026 × 64,026
  4. Step 4: Simplify right side
    29,421x = 4,099,328,676
  5. Step 5: Solve for x
    x = 4,099,328,676/29,421
  6. Step 6: Final answer
    x = 139,333.42

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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.