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Finding the Third Proportional to 30,890.25 and 45,173.25

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Solution

The third proportional to 30,890.25 and 45,173.25 is: 66,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890.25 : 45,173.25 = 45,173.25 : x
  2. Step 2: Convert to fraction form
    30,890.25/45,173.25 = 45,173.25/x
  3. Step 3: Cross multiply
    30,890.25x = 45,173.25 × 45,173.25
  4. Step 4: Simplify right side
    30,890.25x = 2,040,622,515.56
  5. Step 5: Solve for x
    x = 2,040,622,515.56/30,890.25
  6. Step 6: Final answer
    x = 66,060.41

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.