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Finding the Third Proportional to 818,196 and 1,789,512

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Solution

The third proportional to 818,196 and 1,789,512 is: 3,913,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,196 : 1,789,512 = 1,789,512 : x
  2. Step 2: Convert to fraction form
    818,196/1,789,512 = 1,789,512/x
  3. Step 3: Cross multiply
    818,196x = 1,789,512 × 1,789,512
  4. Step 4: Simplify right side
    818,196x = 3,202,353,198,144
  5. Step 5: Solve for x
    x = 3,202,353,198,144/818,196
  6. Step 6: Final answer
    x = 3,913,919.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.