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Finding the Third Proportional to 18,056 and 39,136

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Solution

The third proportional to 18,056 and 39,136 is: 84,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056 : 39,136 = 39,136 : x
  2. Step 2: Convert to fraction form
    18,056/39,136 = 39,136/x
  3. Step 3: Cross multiply
    18,056x = 39,136 × 39,136
  4. Step 4: Simplify right side
    18,056x = 1,531,626,496
  5. Step 5: Solve for x
    x = 1,531,626,496/18,056
  6. Step 6: Final answer
    x = 84,826.46

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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.