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Finding the Third Proportional to 1,283,307 and 1,998,616.50

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Solution

The third proportional to 1,283,307 and 1,998,616.50 is: 3,112,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,307 : 1,998,616.50 = 1,998,616.50 : x
  2. Step 2: Convert to fraction form
    1,283,307/1,998,616.50 = 1,998,616.50/x
  3. Step 3: Cross multiply
    1,283,307x = 1,998,616.50 × 1,998,616.50
  4. Step 4: Simplify right side
    1,283,307x = 3,994,467,914,072.25
  5. Step 5: Solve for x
    x = 3,994,467,914,072.25/1,283,307
  6. Step 6: Final answer
    x = 3,112,636.27

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.