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Finding the Third Proportional to 1,438,339 and 3,100,853

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Solution

The third proportional to 1,438,339 and 3,100,853 is: 6,684,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,339 : 3,100,853 = 3,100,853 : x
  2. Step 2: Convert to fraction form
    1,438,339/3,100,853 = 3,100,853/x
  3. Step 3: Cross multiply
    1,438,339x = 3,100,853 × 3,100,853
  4. Step 4: Simplify right side
    1,438,339x = 9,615,289,327,609
  5. Step 5: Solve for x
    x = 9,615,289,327,609/1,438,339
  6. Step 6: Final answer
    x = 6,684,995.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.