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Finding the Third Proportional to 18,973.50 and 41,577

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Solution

The third proportional to 18,973.50 and 41,577 is: 91,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.50 : 41,577 = 41,577 : x
  2. Step 2: Convert to fraction form
    18,973.50/41,577 = 41,577/x
  3. Step 3: Cross multiply
    18,973.50x = 41,577 × 41,577
  4. Step 4: Simplify right side
    18,973.50x = 1,728,646,929
  5. Step 5: Solve for x
    x = 1,728,646,929/18,973.50
  6. Step 6: Final answer
    x = 91,108.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.