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Finding the Third Proportional to 156,781.83 and 236,642.13

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Solution

The third proportional to 156,781.83 and 236,642.13 is: 357,181.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,781.83 : 236,642.13 = 236,642.13 : x
  2. Step 2: Convert to fraction form
    156,781.83/236,642.13 = 236,642.13/x
  3. Step 3: Cross multiply
    156,781.83x = 236,642.13 × 236,642.13
  4. Step 4: Simplify right side
    156,781.83x = 55,999,499,022.05
  5. Step 5: Solve for x
    x = 55,999,499,022.05/156,781.83
  6. Step 6: Final answer
    x = 357,181.06

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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.