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Finding the Third Proportional to 151,272 and 251,244

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Solution

The third proportional to 151,272 and 251,244 is: 417,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,272 : 251,244 = 251,244 : x
  2. Step 2: Convert to fraction form
    151,272/251,244 = 251,244/x
  3. Step 3: Cross multiply
    151,272x = 251,244 × 251,244
  4. Step 4: Simplify right side
    151,272x = 63,123,547,536
  5. Step 5: Solve for x
    x = 63,123,547,536/151,272
  6. Step 6: Final answer
    x = 417,285.07

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.