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Finding the Third Proportional to 156,725 and 236,228

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Solution

The third proportional to 156,725 and 236,228 is: 356,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,725 : 236,228 = 236,228 : x
  2. Step 2: Convert to fraction form
    156,725/236,228 = 236,228/x
  3. Step 3: Cross multiply
    156,725x = 236,228 × 236,228
  4. Step 4: Simplify right side
    156,725x = 55,803,667,984
  5. Step 5: Solve for x
    x = 55,803,667,984/156,725
  6. Step 6: Final answer
    x = 356,061.05

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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.