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Finding the Third Proportional to 102,249 and 156,945

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Solution

The third proportional to 102,249 and 156,945 is: 240,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,249 : 156,945 = 156,945 : x
  2. Step 2: Convert to fraction form
    102,249/156,945 = 156,945/x
  3. Step 3: Cross multiply
    102,249x = 156,945 × 156,945
  4. Step 4: Simplify right side
    102,249x = 24,631,733,025
  5. Step 5: Solve for x
    x = 24,631,733,025/102,249
  6. Step 6: Final answer
    x = 240,899.50

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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.