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Finding the Third Proportional to 71,773 and 102,738

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Solution

The third proportional to 71,773 and 102,738 is: 147,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,773 : 102,738 = 102,738 : x
  2. Step 2: Convert to fraction form
    71,773/102,738 = 102,738/x
  3. Step 3: Cross multiply
    71,773x = 102,738 × 102,738
  4. Step 4: Simplify right side
    71,773x = 10,555,096,644
  5. Step 5: Solve for x
    x = 10,555,096,644/71,773
  6. Step 6: Final answer
    x = 147,062.22

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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.