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Finding the Third Proportional to 19,016 and 39,364

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Solution

The third proportional to 19,016 and 39,364 is: 81,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016 : 39,364 = 39,364 : x
  2. Step 2: Convert to fraction form
    19,016/39,364 = 39,364/x
  3. Step 3: Cross multiply
    19,016x = 39,364 × 39,364
  4. Step 4: Simplify right side
    19,016x = 1,549,524,496
  5. Step 5: Solve for x
    x = 1,549,524,496/19,016
  6. Step 6: Final answer
    x = 81,485.30

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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.