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Finding the Third Proportional to 199,820.25 and 305,673.75

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Solution

The third proportional to 199,820.25 and 305,673.75 is: 467,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,820.25 : 305,673.75 = 305,673.75 : x
  2. Step 2: Convert to fraction form
    199,820.25/305,673.75 = 305,673.75/x
  3. Step 3: Cross multiply
    199,820.25x = 305,673.75 × 305,673.75
  4. Step 4: Simplify right side
    199,820.25x = 93,436,441,439.06
  5. Step 5: Solve for x
    x = 93,436,441,439.06/199,820.25
  6. Step 6: Final answer
    x = 467,602.46

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.