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Finding the Third Proportional to 453,620.25 and 990,252

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Solution

The third proportional to 453,620.25 and 990,252 is: 2,161,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,620.25 : 990,252 = 990,252 : x
  2. Step 2: Convert to fraction form
    453,620.25/990,252 = 990,252/x
  3. Step 3: Cross multiply
    453,620.25x = 990,252 × 990,252
  4. Step 4: Simplify right side
    453,620.25x = 980,599,023,504
  5. Step 5: Solve for x
    x = 980,599,023,504/453,620.25
  6. Step 6: Final answer
    x = 2,161,717.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.