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Finding the Third Proportional to 19,563 and 40,036

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Solution

The third proportional to 19,563 and 40,036 is: 81,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563 : 40,036 = 40,036 : x
  2. Step 2: Convert to fraction form
    19,563/40,036 = 40,036/x
  3. Step 3: Cross multiply
    19,563x = 40,036 × 40,036
  4. Step 4: Simplify right side
    19,563x = 1,602,881,296
  5. Step 5: Solve for x
    x = 1,602,881,296/19,563
  6. Step 6: Final answer
    x = 81,934.33

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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.