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Finding the Third Proportional to 628,016 and 1,360,288

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Solution

The third proportional to 628,016 and 1,360,288 is: 2,946,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,016 : 1,360,288 = 1,360,288 : x
  2. Step 2: Convert to fraction form
    628,016/1,360,288 = 1,360,288/x
  3. Step 3: Cross multiply
    628,016x = 1,360,288 × 1,360,288
  4. Step 4: Simplify right side
    628,016x = 1,850,383,442,944
  5. Step 5: Solve for x
    x = 1,850,383,442,944/628,016
  6. Step 6: Final answer
    x = 2,946,395.38

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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.