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Finding the Third Proportional to 19,189 and 29,603.75

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Solution

The third proportional to 19,189 and 29,603.75 is: 45,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189 : 29,603.75 = 29,603.75 : x
  2. Step 2: Convert to fraction form
    19,189/29,603.75 = 29,603.75/x
  3. Step 3: Cross multiply
    19,189x = 29,603.75 × 29,603.75
  4. Step 4: Simplify right side
    19,189x = 876,382,014.06
  5. Step 5: Solve for x
    x = 876,382,014.06/19,189
  6. Step 6: Final answer
    x = 45,671.06

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.