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Finding the Third Proportional to 462,212 and 993,409

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Solution

The third proportional to 462,212 and 993,409 is: 2,135,083.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,212 : 993,409 = 993,409 : x
  2. Step 2: Convert to fraction form
    462,212/993,409 = 993,409/x
  3. Step 3: Cross multiply
    462,212x = 993,409 × 993,409
  4. Step 4: Simplify right side
    462,212x = 986,861,441,281
  5. Step 5: Solve for x
    x = 986,861,441,281/462,212
  6. Step 6: Final answer
    x = 2,135,083.99

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.