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Finding the Third Proportional to 18,368 and 38,056

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Solution

The third proportional to 18,368 and 38,056 is: 78,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368 : 38,056 = 38,056 : x
  2. Step 2: Convert to fraction form
    18,368/38,056 = 38,056/x
  3. Step 3: Cross multiply
    18,368x = 38,056 × 38,056
  4. Step 4: Simplify right side
    18,368x = 1,448,259,136
  5. Step 5: Solve for x
    x = 1,448,259,136/18,368
  6. Step 6: Final answer
    x = 78,846.86

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.