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Finding the Third Proportional to 156,974 and 236,934

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Solution

The third proportional to 156,974 and 236,934 is: 357,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974 : 236,934 = 236,934 : x
  2. Step 2: Convert to fraction form
    156,974/236,934 = 236,934/x
  3. Step 3: Cross multiply
    156,974x = 236,934 × 236,934
  4. Step 4: Simplify right side
    156,974x = 56,137,720,356
  5. Step 5: Solve for x
    x = 56,137,720,356/156,974
  6. Step 6: Final answer
    x = 357,624.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.