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Finding the Third Proportional to 679,069 and 1,439,086

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Solution

The third proportional to 679,069 and 1,439,086 is: 3,049,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,069 : 1,439,086 = 1,439,086 : x
  2. Step 2: Convert to fraction form
    679,069/1,439,086 = 1,439,086/x
  3. Step 3: Cross multiply
    679,069x = 1,439,086 × 1,439,086
  4. Step 4: Simplify right side
    679,069x = 2,070,968,515,396
  5. Step 5: Solve for x
    x = 2,070,968,515,396/679,069
  6. Step 6: Final answer
    x = 3,049,717.36

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.