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Finding the Third Proportional to 211,820 and 466,608

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Solution

The third proportional to 211,820 and 466,608 is: 1,027,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,820 : 466,608 = 466,608 : x
  2. Step 2: Convert to fraction form
    211,820/466,608 = 466,608/x
  3. Step 3: Cross multiply
    211,820x = 466,608 × 466,608
  4. Step 4: Simplify right side
    211,820x = 217,723,025,664
  5. Step 5: Solve for x
    x = 217,723,025,664/211,820
  6. Step 6: Final answer
    x = 1,027,868.12

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.