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Finding the Third Proportional to 17,272 and 26,056

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Solution

The third proportional to 17,272 and 26,056 is: 39,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272 : 26,056 = 26,056 : x
  2. Step 2: Convert to fraction form
    17,272/26,056 = 26,056/x
  3. Step 3: Cross multiply
    17,272x = 26,056 × 26,056
  4. Step 4: Simplify right side
    17,272x = 678,915,136
  5. Step 5: Solve for x
    x = 678,915,136/17,272
  6. Step 6: Final answer
    x = 39,307.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.