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Finding the Third Proportional to 127,271 and 251,330

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Solution

The third proportional to 127,271 and 251,330 is: 496,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,271 : 251,330 = 251,330 : x
  2. Step 2: Convert to fraction form
    127,271/251,330 = 251,330/x
  3. Step 3: Cross multiply
    127,271x = 251,330 × 251,330
  4. Step 4: Simplify right side
    127,271x = 63,166,768,900
  5. Step 5: Solve for x
    x = 63,166,768,900/127,271
  6. Step 6: Final answer
    x = 496,317.06

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.