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Finding the Third Proportional to 617,620 and 1,338,333

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Solution

The third proportional to 617,620 and 1,338,333 is: 2,900,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,620 : 1,338,333 = 1,338,333 : x
  2. Step 2: Convert to fraction form
    617,620/1,338,333 = 1,338,333/x
  3. Step 3: Cross multiply
    617,620x = 1,338,333 × 1,338,333
  4. Step 4: Simplify right side
    617,620x = 1,791,135,218,889
  5. Step 5: Solve for x
    x = 1,791,135,218,889/617,620
  6. Step 6: Final answer
    x = 2,900,060.26

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.