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Finding the Third Proportional to 19,186 and 39,295

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Solution

The third proportional to 19,186 and 39,295 is: 80,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186 : 39,295 = 39,295 : x
  2. Step 2: Convert to fraction form
    19,186/39,295 = 39,295/x
  3. Step 3: Cross multiply
    19,186x = 39,295 × 39,295
  4. Step 4: Simplify right side
    19,186x = 1,544,097,025
  5. Step 5: Solve for x
    x = 1,544,097,025/19,186
  6. Step 6: Final answer
    x = 80,480.40

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.