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Finding the Third Proportional to 19,986.75 and 43,071.75

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Solution

The third proportional to 19,986.75 and 43,071.75 is: 92,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.75 : 43,071.75 = 43,071.75 : x
  2. Step 2: Convert to fraction form
    19,986.75/43,071.75 = 43,071.75/x
  3. Step 3: Cross multiply
    19,986.75x = 43,071.75 × 43,071.75
  4. Step 4: Simplify right side
    19,986.75x = 1,855,175,648.06
  5. Step 5: Solve for x
    x = 1,855,175,648.06/19,986.75
  6. Step 6: Final answer
    x = 92,820.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.