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Finding the Third Proportional to 156,444 and 242,350

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Solution

The third proportional to 156,444 and 242,350 is: 375,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,444 : 242,350 = 242,350 : x
  2. Step 2: Convert to fraction form
    156,444/242,350 = 242,350/x
  3. Step 3: Cross multiply
    156,444x = 242,350 × 242,350
  4. Step 4: Simplify right side
    156,444x = 58,733,522,500
  5. Step 5: Solve for x
    x = 58,733,522,500/156,444
  6. Step 6: Final answer
    x = 375,428.41

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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.