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Finding the Third Proportional to 979,821 and 1,999,008

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Solution

The third proportional to 979,821 and 1,999,008 is: 4,078,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,821 : 1,999,008 = 1,999,008 : x
  2. Step 2: Convert to fraction form
    979,821/1,999,008 = 1,999,008/x
  3. Step 3: Cross multiply
    979,821x = 1,999,008 × 1,999,008
  4. Step 4: Simplify right side
    979,821x = 3,996,032,984,064
  5. Step 5: Solve for x
    x = 3,996,032,984,064/979,821
  6. Step 6: Final answer
    x = 4,078,329.60

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.