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Finding the Third Proportional to 455,048 and 992,912

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Solution

The third proportional to 455,048 and 992,912 is: 2,166,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,048 : 992,912 = 992,912 : x
  2. Step 2: Convert to fraction form
    455,048/992,912 = 992,912/x
  3. Step 3: Cross multiply
    455,048x = 992,912 × 992,912
  4. Step 4: Simplify right side
    455,048x = 985,874,239,744
  5. Step 5: Solve for x
    x = 985,874,239,744/455,048
  6. Step 6: Final answer
    x = 2,166,528.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.