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Finding the Third Proportional to 818,609.63 and 1,912,035.38

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Solution

The third proportional to 818,609.63 and 1,912,035.38 is: 4,465,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,609.63 : 1,912,035.38 = 1,912,035.38 : x
  2. Step 2: Convert to fraction form
    818,609.63/1,912,035.38 = 1,912,035.38/x
  3. Step 3: Cross multiply
    818,609.63x = 1,912,035.38 × 1,912,035.38
  4. Step 4: Simplify right side
    818,609.63x = 3,655,879,275,251.39
  5. Step 5: Solve for x
    x = 3,655,879,275,251.39/818,609.63
  6. Step 6: Final answer
    x = 4,465,961.75

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.