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Finding the Third Proportional to 453,530 and 992,992

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Solution

The third proportional to 453,530 and 992,992 is: 2,174,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,530 : 992,992 = 992,992 : x
  2. Step 2: Convert to fraction form
    453,530/992,992 = 992,992/x
  3. Step 3: Cross multiply
    453,530x = 992,992 × 992,992
  4. Step 4: Simplify right side
    453,530x = 986,033,112,064
  5. Step 5: Solve for x
    x = 986,033,112,064/453,530
  6. Step 6: Final answer
    x = 2,174,129.85

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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.