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Finding the Third Proportional to 295,934 and 451,272

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Solution

The third proportional to 295,934 and 451,272 is: 688,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,934 : 451,272 = 451,272 : x
  2. Step 2: Convert to fraction form
    295,934/451,272 = 451,272/x
  3. Step 3: Cross multiply
    295,934x = 451,272 × 451,272
  4. Step 4: Simplify right side
    295,934x = 203,646,417,984
  5. Step 5: Solve for x
    x = 203,646,417,984/295,934
  6. Step 6: Final answer
    x = 688,148.09

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.