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Finding the Third Proportional to 18,900.50 and 41,437

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Solution

The third proportional to 18,900.50 and 41,437 is: 90,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.50 : 41,437 = 41,437 : x
  2. Step 2: Convert to fraction form
    18,900.50/41,437 = 41,437/x
  3. Step 3: Cross multiply
    18,900.50x = 41,437 × 41,437
  4. Step 4: Simplify right side
    18,900.50x = 1,717,024,969
  5. Step 5: Solve for x
    x = 1,717,024,969/18,900.50
  6. Step 6: Final answer
    x = 90,845.48

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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.