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Finding the Third Proportional to 133,528 and 207,956

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Solution

The third proportional to 133,528 and 207,956 is: 323,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,528 : 207,956 = 207,956 : x
  2. Step 2: Convert to fraction form
    133,528/207,956 = 207,956/x
  3. Step 3: Cross multiply
    133,528x = 207,956 × 207,956
  4. Step 4: Simplify right side
    133,528x = 43,245,697,936
  5. Step 5: Solve for x
    x = 43,245,697,936/133,528
  6. Step 6: Final answer
    x = 323,869.88

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.