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Finding the Third Proportional to 1,270,121 and 2,739,663

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Solution

The third proportional to 1,270,121 and 2,739,663 is: 5,909,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,121 : 2,739,663 = 2,739,663 : x
  2. Step 2: Convert to fraction form
    1,270,121/2,739,663 = 2,739,663/x
  3. Step 3: Cross multiply
    1,270,121x = 2,739,663 × 2,739,663
  4. Step 4: Simplify right side
    1,270,121x = 7,505,753,353,569
  5. Step 5: Solve for x
    x = 7,505,753,353,569/1,270,121
  6. Step 6: Final answer
    x = 5,909,478.98

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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.