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Finding the Third Proportional to 990,296 and 1,494,918

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Solution

The third proportional to 990,296 and 1,494,918 is: 2,256,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,296 : 1,494,918 = 1,494,918 : x
  2. Step 2: Convert to fraction form
    990,296/1,494,918 = 1,494,918/x
  3. Step 3: Cross multiply
    990,296x = 1,494,918 × 1,494,918
  4. Step 4: Simplify right side
    990,296x = 2,234,779,826,724
  5. Step 5: Solve for x
    x = 2,234,779,826,724/990,296
  6. Step 6: Final answer
    x = 2,256,678.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.