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Finding the Third Proportional to 19,017 and 25,239

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Solution

The third proportional to 19,017 and 25,239 is: 33,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017 : 25,239 = 25,239 : x
  2. Step 2: Convert to fraction form
    19,017/25,239 = 25,239/x
  3. Step 3: Cross multiply
    19,017x = 25,239 × 25,239
  4. Step 4: Simplify right side
    19,017x = 637,007,121
  5. Step 5: Solve for x
    x = 637,007,121/19,017
  6. Step 6: Final answer
    x = 33,496.72

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.