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Finding the Third Proportional to 216,932 and 444,436

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Solution

The third proportional to 216,932 and 444,436 is: 910,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,932 : 444,436 = 444,436 : x
  2. Step 2: Convert to fraction form
    216,932/444,436 = 444,436/x
  3. Step 3: Cross multiply
    216,932x = 444,436 × 444,436
  4. Step 4: Simplify right side
    216,932x = 197,523,358,096
  5. Step 5: Solve for x
    x = 197,523,358,096/216,932
  6. Step 6: Final answer
    x = 910,531.22

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.