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Finding the Third Proportional to 208,145.25 and 453,881.25

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Solution

The third proportional to 208,145.25 and 453,881.25 is: 989,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,145.25 : 453,881.25 = 453,881.25 : x
  2. Step 2: Convert to fraction form
    208,145.25/453,881.25 = 453,881.25/x
  3. Step 3: Cross multiply
    208,145.25x = 453,881.25 × 453,881.25
  4. Step 4: Simplify right side
    208,145.25x = 206,008,189,101.56
  5. Step 5: Solve for x
    x = 206,008,189,101.56/208,145.25
  6. Step 6: Final answer
    x = 989,732.84

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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.