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Finding the Third Proportional to 157,616 and 242,256

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Solution

The third proportional to 157,616 and 242,256 is: 372,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,616 : 242,256 = 242,256 : x
  2. Step 2: Convert to fraction form
    157,616/242,256 = 242,256/x
  3. Step 3: Cross multiply
    157,616x = 242,256 × 242,256
  4. Step 4: Simplify right side
    157,616x = 58,687,969,536
  5. Step 5: Solve for x
    x = 58,687,969,536/157,616
  6. Step 6: Final answer
    x = 372,347.79

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.