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Finding the Third Proportional to 100,165 and 154,888

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Solution

The third proportional to 100,165 and 154,888 is: 239,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,165 : 154,888 = 154,888 : x
  2. Step 2: Convert to fraction form
    100,165/154,888 = 154,888/x
  3. Step 3: Cross multiply
    100,165x = 154,888 × 154,888
  4. Step 4: Simplify right side
    100,165x = 23,990,292,544
  5. Step 5: Solve for x
    x = 23,990,292,544/100,165
  6. Step 6: Final answer
    x = 239,507.74

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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.