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Finding the Third Proportional to 19,121,081 and 28,841,408.75

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Solution

The third proportional to 19,121,081 and 28,841,408.75 is: 43,503,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121,081 : 28,841,408.75 = 28,841,408.75 : x
  2. Step 2: Convert to fraction form
    19,121,081/28,841,408.75 = 28,841,408.75/x
  3. Step 3: Cross multiply
    19,121,081x = 28,841,408.75 × 28,841,408.75
  4. Step 4: Simplify right side
    19,121,081x = 831,826,858,684,576.50
  5. Step 5: Solve for x
    x = 831,826,858,684,576.50/19,121,081
  6. Step 6: Final answer
    x = 43,503,129.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.