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Finding the Third Proportional to 156,315.75 and 242,196.75

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Solution

The third proportional to 156,315.75 and 242,196.75 is: 375,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,315.75 : 242,196.75 = 242,196.75 : x
  2. Step 2: Convert to fraction form
    156,315.75/242,196.75 = 242,196.75/x
  3. Step 3: Cross multiply
    156,315.75x = 242,196.75 × 242,196.75
  4. Step 4: Simplify right side
    156,315.75x = 58,659,265,710.56
  5. Step 5: Solve for x
    x = 58,659,265,710.56/156,315.75
  6. Step 6: Final answer
    x = 375,261.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.