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Finding the Third Proportional to 29,631 and 64,180.50

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Solution

The third proportional to 29,631 and 64,180.50 is: 139,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,631 : 64,180.50 = 64,180.50 : x
  2. Step 2: Convert to fraction form
    29,631/64,180.50 = 64,180.50/x
  3. Step 3: Cross multiply
    29,631x = 64,180.50 × 64,180.50
  4. Step 4: Simplify right side
    29,631x = 4,119,136,580.25
  5. Step 5: Solve for x
    x = 4,119,136,580.25/29,631
  6. Step 6: Final answer
    x = 139,014.43

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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.