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Finding the Third Proportional to 189,174 and 283,788

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Solution

The third proportional to 189,174 and 283,788 is: 425,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,174 : 283,788 = 283,788 : x
  2. Step 2: Convert to fraction form
    189,174/283,788 = 283,788/x
  3. Step 3: Cross multiply
    189,174x = 283,788 × 283,788
  4. Step 4: Simplify right side
    189,174x = 80,535,628,944
  5. Step 5: Solve for x
    x = 80,535,628,944/189,174
  6. Step 6: Final answer
    x = 425,722.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.