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Finding the Third Proportional to 133,031 and 272,277

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Solution

The third proportional to 133,031 and 272,277 is: 557,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,031 : 272,277 = 272,277 : x
  2. Step 2: Convert to fraction form
    133,031/272,277 = 272,277/x
  3. Step 3: Cross multiply
    133,031x = 272,277 × 272,277
  4. Step 4: Simplify right side
    133,031x = 74,134,764,729
  5. Step 5: Solve for x
    x = 74,134,764,729/133,031
  6. Step 6: Final answer
    x = 557,274.36

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.