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Finding the Third Proportional to 221,060.81 and 450,250.69

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Solution

The third proportional to 221,060.81 and 450,250.69 is: 917,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,060.81 : 450,250.69 = 450,250.69 : x
  2. Step 2: Convert to fraction form
    221,060.81/450,250.69 = 450,250.69/x
  3. Step 3: Cross multiply
    221,060.81x = 450,250.69 × 450,250.69
  4. Step 4: Simplify right side
    221,060.81x = 202,725,681,594.22
  5. Step 5: Solve for x
    x = 202,725,681,594.22/221,060.81
  6. Step 6: Final answer
    x = 917,058.43

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.