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Finding the Third Proportional to 189,871.19 and 448,208.94

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Solution

The third proportional to 189,871.19 and 448,208.94 is: 1,058,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,871.19 : 448,208.94 = 448,208.94 : x
  2. Step 2: Convert to fraction form
    189,871.19/448,208.94 = 448,208.94/x
  3. Step 3: Cross multiply
    189,871.19x = 448,208.94 × 448,208.94
  4. Step 4: Simplify right side
    189,871.19x = 200,891,251,654.88
  5. Step 5: Solve for x
    x = 200,891,251,654.88/189,871.19
  6. Step 6: Final answer
    x = 1,058,039.69

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.