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Finding the Third Proportional to 103,716 and 154,912

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Solution

The third proportional to 103,716 and 154,912 is: 231,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,716 : 154,912 = 154,912 : x
  2. Step 2: Convert to fraction form
    103,716/154,912 = 154,912/x
  3. Step 3: Cross multiply
    103,716x = 154,912 × 154,912
  4. Step 4: Simplify right side
    103,716x = 23,997,727,744
  5. Step 5: Solve for x
    x = 23,997,727,744/103,716
  6. Step 6: Final answer
    x = 231,379.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.