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Finding the Third Proportional to 104,431 and 159,095

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Solution

The third proportional to 104,431 and 159,095 is: 242,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,431 : 159,095 = 159,095 : x
  2. Step 2: Convert to fraction form
    104,431/159,095 = 159,095/x
  3. Step 3: Cross multiply
    104,431x = 159,095 × 159,095
  4. Step 4: Simplify right side
    104,431x = 25,311,219,025
  5. Step 5: Solve for x
    x = 25,311,219,025/104,431
  6. Step 6: Final answer
    x = 242,372.66

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.