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Finding the Third Proportional to 100,346 and 154,929

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Solution

The third proportional to 100,346 and 154,929 is: 239,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,346 : 154,929 = 154,929 : x
  2. Step 2: Convert to fraction form
    100,346/154,929 = 154,929/x
  3. Step 3: Cross multiply
    100,346x = 154,929 × 154,929
  4. Step 4: Simplify right side
    100,346x = 24,002,995,041
  5. Step 5: Solve for x
    x = 24,002,995,041/100,346
  6. Step 6: Final answer
    x = 239,202.31

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.