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Finding the Third Proportional to 29,536.50 and 64,257

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Solution

The third proportional to 29,536.50 and 64,257 is: 139,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,536.50 : 64,257 = 64,257 : x
  2. Step 2: Convert to fraction form
    29,536.50/64,257 = 64,257/x
  3. Step 3: Cross multiply
    29,536.50x = 64,257 × 64,257
  4. Step 4: Simplify right side
    29,536.50x = 4,128,962,049
  5. Step 5: Solve for x
    x = 4,128,962,049/29,536.50
  6. Step 6: Final answer
    x = 139,791.85

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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.