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Finding the Third Proportional to 299,328.75 and 650,328.75

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Solution

The third proportional to 299,328.75 and 650,328.75 is: 1,412,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,328.75 : 650,328.75 = 650,328.75 : x
  2. Step 2: Convert to fraction form
    299,328.75/650,328.75 = 650,328.75/x
  3. Step 3: Cross multiply
    299,328.75x = 650,328.75 × 650,328.75
  4. Step 4: Simplify right side
    299,328.75x = 422,927,483,076.56
  5. Step 5: Solve for x
    x = 422,927,483,076.56/299,328.75
  6. Step 6: Final answer
    x = 1,412,919.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.