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Finding the Third Proportional to 19,180 and 40,844

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Solution

The third proportional to 19,180 and 40,844 is: 86,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180 : 40,844 = 40,844 : x
  2. Step 2: Convert to fraction form
    19,180/40,844 = 40,844/x
  3. Step 3: Cross multiply
    19,180x = 40,844 × 40,844
  4. Step 4: Simplify right side
    19,180x = 1,668,232,336
  5. Step 5: Solve for x
    x = 1,668,232,336/19,180
  6. Step 6: Final answer
    x = 86,977.70

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.