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Finding the Third Proportional to 438,020 and 941,512

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Solution

The third proportional to 438,020 and 941,512 is: 2,023,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,020 : 941,512 = 941,512 : x
  2. Step 2: Convert to fraction form
    438,020/941,512 = 941,512/x
  3. Step 3: Cross multiply
    438,020x = 941,512 × 941,512
  4. Step 4: Simplify right side
    438,020x = 886,444,846,144
  5. Step 5: Solve for x
    x = 886,444,846,144/438,020
  6. Step 6: Final answer
    x = 2,023,754.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.