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Finding the Third Proportional to 17,955 and 36,643.50

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Solution

The third proportional to 17,955 and 36,643.50 is: 74,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955 : 36,643.50 = 36,643.50 : x
  2. Step 2: Convert to fraction form
    17,955/36,643.50 = 36,643.50/x
  3. Step 3: Cross multiply
    17,955x = 36,643.50 × 36,643.50
  4. Step 4: Simplify right side
    17,955x = 1,342,746,092.25
  5. Step 5: Solve for x
    x = 1,342,746,092.25/17,955
  6. Step 6: Final answer
    x = 74,783.97

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.