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Finding the Third Proportional to 106,763 and 156,931

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Solution

The third proportional to 106,763 and 156,931 is: 230,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,763 : 156,931 = 156,931 : x
  2. Step 2: Convert to fraction form
    106,763/156,931 = 156,931/x
  3. Step 3: Cross multiply
    106,763x = 156,931 × 156,931
  4. Step 4: Simplify right side
    106,763x = 24,627,338,761
  5. Step 5: Solve for x
    x = 24,627,338,761/106,763
  6. Step 6: Final answer
    x = 230,672.97

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.