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Finding the Third Proportional to 62,720 and 92,073

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Solution

The third proportional to 62,720 and 92,073 is: 135,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,720 : 92,073 = 92,073 : x
  2. Step 2: Convert to fraction form
    62,720/92,073 = 92,073/x
  3. Step 3: Cross multiply
    62,720x = 92,073 × 92,073
  4. Step 4: Simplify right side
    62,720x = 8,477,437,329
  5. Step 5: Solve for x
    x = 8,477,437,329/62,720
  6. Step 6: Final answer
    x = 135,163.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.