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Finding the Third Proportional to 157,612 and 242,250

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Solution

The third proportional to 157,612 and 242,250 is: 372,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,612 : 242,250 = 242,250 : x
  2. Step 2: Convert to fraction form
    157,612/242,250 = 242,250/x
  3. Step 3: Cross multiply
    157,612x = 242,250 × 242,250
  4. Step 4: Simplify right side
    157,612x = 58,685,062,500
  5. Step 5: Solve for x
    x = 58,685,062,500/157,612
  6. Step 6: Final answer
    x = 372,338.80

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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.