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Finding the Third Proportional to 485,541 and 990,333

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Solution

The third proportional to 485,541 and 990,333 is: 2,019,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,541 : 990,333 = 990,333 : x
  2. Step 2: Convert to fraction form
    485,541/990,333 = 990,333/x
  3. Step 3: Cross multiply
    485,541x = 990,333 × 990,333
  4. Step 4: Simplify right side
    485,541x = 980,759,450,889
  5. Step 5: Solve for x
    x = 980,759,450,889/485,541
  6. Step 6: Final answer
    x = 2,019,931.27

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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.