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Finding the Third Proportional to 455,899 and 992,068

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Solution

The third proportional to 455,899 and 992,068 is: 2,158,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,899 : 992,068 = 992,068 : x
  2. Step 2: Convert to fraction form
    455,899/992,068 = 992,068/x
  3. Step 3: Cross multiply
    455,899x = 992,068 × 992,068
  4. Step 4: Simplify right side
    455,899x = 984,198,916,624
  5. Step 5: Solve for x
    x = 984,198,916,624/455,899
  6. Step 6: Final answer
    x = 2,158,809.11

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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.