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Finding the Third Proportional to 990,292 and 1,494,912

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Solution

The third proportional to 990,292 and 1,494,912 is: 2,256,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,292 : 1,494,912 = 1,494,912 : x
  2. Step 2: Convert to fraction form
    990,292/1,494,912 = 1,494,912/x
  3. Step 3: Cross multiply
    990,292x = 1,494,912 × 1,494,912
  4. Step 4: Simplify right side
    990,292x = 2,234,761,887,744
  5. Step 5: Solve for x
    x = 2,234,761,887,744/990,292
  6. Step 6: Final answer
    x = 2,256,669.64

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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.