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Finding the Third Proportional to 262,512 and 575,865

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Solution

The third proportional to 262,512 and 575,865 is: 1,263,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,512 : 575,865 = 575,865 : x
  2. Step 2: Convert to fraction form
    262,512/575,865 = 575,865/x
  3. Step 3: Cross multiply
    262,512x = 575,865 × 575,865
  4. Step 4: Simplify right side
    262,512x = 331,620,498,225
  5. Step 5: Solve for x
    x = 331,620,498,225/262,512
  6. Step 6: Final answer
    x = 1,263,258.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.