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Finding the Third Proportional to 29,136 and 63,723

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Solution

The third proportional to 29,136 and 63,723 is: 139,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136 : 63,723 = 63,723 : x
  2. Step 2: Convert to fraction form
    29,136/63,723 = 63,723/x
  3. Step 3: Cross multiply
    29,136x = 63,723 × 63,723
  4. Step 4: Simplify right side
    29,136x = 4,060,620,729
  5. Step 5: Solve for x
    x = 4,060,620,729/29,136
  6. Step 6: Final answer
    x = 139,367.82

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.