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Finding the Third Proportional to 913,794 and 1,980,131

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Solution

The third proportional to 913,794 and 1,980,131 is: 4,290,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,794 : 1,980,131 = 1,980,131 : x
  2. Step 2: Convert to fraction form
    913,794/1,980,131 = 1,980,131/x
  3. Step 3: Cross multiply
    913,794x = 1,980,131 × 1,980,131
  4. Step 4: Simplify right side
    913,794x = 3,920,918,777,161
  5. Step 5: Solve for x
    x = 3,920,918,777,161/913,794
  6. Step 6: Final answer
    x = 4,290,812.57

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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.