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Finding the Third Proportional to 211,144.50 and 455,504.34

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Solution

The third proportional to 211,144.50 and 455,504.34 is: 982,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,144.50 : 455,504.34 = 455,504.34 : x
  2. Step 2: Convert to fraction form
    211,144.50/455,504.34 = 455,504.34/x
  3. Step 3: Cross multiply
    211,144.50x = 455,504.34 × 455,504.34
  4. Step 4: Simplify right side
    211,144.50x = 207,484,207,175.12
  5. Step 5: Solve for x
    x = 207,484,207,175.12/211,144.50
  6. Step 6: Final answer
    x = 982,664.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.