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Finding the Third Proportional to 62,690 and 97,131

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Solution

The third proportional to 62,690 and 97,131 is: 150,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,690 : 97,131 = 97,131 : x
  2. Step 2: Convert to fraction form
    62,690/97,131 = 97,131/x
  3. Step 3: Cross multiply
    62,690x = 97,131 × 97,131
  4. Step 4: Simplify right side
    62,690x = 9,434,431,161
  5. Step 5: Solve for x
    x = 9,434,431,161/62,690
  6. Step 6: Final answer
    x = 150,493.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.