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Finding the Third Proportional to 873,287 and 1,388,661

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Solution

The third proportional to 873,287 and 1,388,661 is: 2,208,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,287 : 1,388,661 = 1,388,661 : x
  2. Step 2: Convert to fraction form
    873,287/1,388,661 = 1,388,661/x
  3. Step 3: Cross multiply
    873,287x = 1,388,661 × 1,388,661
  4. Step 4: Simplify right side
    873,287x = 1,928,379,372,921
  5. Step 5: Solve for x
    x = 1,928,379,372,921/873,287
  6. Step 6: Final answer
    x = 2,208,185.14

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.