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Finding the Third Proportional to 159,855.75 and 238,686.75

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Solution

The third proportional to 159,855.75 and 238,686.75 is: 356,392.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,855.75 : 238,686.75 = 238,686.75 : x
  2. Step 2: Convert to fraction form
    159,855.75/238,686.75 = 238,686.75/x
  3. Step 3: Cross multiply
    159,855.75x = 238,686.75 × 238,686.75
  4. Step 4: Simplify right side
    159,855.75x = 56,971,364,625.56
  5. Step 5: Solve for x
    x = 56,971,364,625.56/159,855.75
  6. Step 6: Final answer
    x = 356,392.34

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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.