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Finding the Third Proportional to 102,366 and 156,790

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Solution

The third proportional to 102,366 and 156,790 is: 240,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,366 : 156,790 = 156,790 : x
  2. Step 2: Convert to fraction form
    102,366/156,790 = 156,790/x
  3. Step 3: Cross multiply
    102,366x = 156,790 × 156,790
  4. Step 4: Simplify right side
    102,366x = 24,583,104,100
  5. Step 5: Solve for x
    x = 24,583,104,100/102,366
  6. Step 6: Final answer
    x = 240,149.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.