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Finding the Third Proportional to 159,162 and 248,430

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Solution

The third proportional to 159,162 and 248,430 is: 387,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,162 : 248,430 = 248,430 : x
  2. Step 2: Convert to fraction form
    159,162/248,430 = 248,430/x
  3. Step 3: Cross multiply
    159,162x = 248,430 × 248,430
  4. Step 4: Simplify right side
    159,162x = 61,717,464,900
  5. Step 5: Solve for x
    x = 61,717,464,900/159,162
  6. Step 6: Final answer
    x = 387,765.08

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.