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Finding the Third Proportional to 221,644 and 459,054

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Solution

The third proportional to 221,644 and 459,054 is: 950,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,644 : 459,054 = 459,054 : x
  2. Step 2: Convert to fraction form
    221,644/459,054 = 459,054/x
  3. Step 3: Cross multiply
    221,644x = 459,054 × 459,054
  4. Step 4: Simplify right side
    221,644x = 210,730,574,916
  5. Step 5: Solve for x
    x = 210,730,574,916/221,644
  6. Step 6: Final answer
    x = 950,761.47

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.