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Finding the Third Proportional to 492,444 and 1,058,445

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Solution

The third proportional to 492,444 and 1,058,445 is: 2,274,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,444 : 1,058,445 = 1,058,445 : x
  2. Step 2: Convert to fraction form
    492,444/1,058,445 = 1,058,445/x
  3. Step 3: Cross multiply
    492,444x = 1,058,445 × 1,058,445
  4. Step 4: Simplify right side
    492,444x = 1,120,305,818,025
  5. Step 5: Solve for x
    x = 1,120,305,818,025/492,444
  6. Step 6: Final answer
    x = 2,274,991.30

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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.