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Finding the Third Proportional to 211,826 and 441,076

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Solution

The third proportional to 211,826 and 441,076 is: 918,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,826 : 441,076 = 441,076 : x
  2. Step 2: Convert to fraction form
    211,826/441,076 = 441,076/x
  3. Step 3: Cross multiply
    211,826x = 441,076 × 441,076
  4. Step 4: Simplify right side
    211,826x = 194,548,037,776
  5. Step 5: Solve for x
    x = 194,548,037,776/211,826
  6. Step 6: Final answer
    x = 918,433.23

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.