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Finding the Third Proportional to 1,228,628 and 2,555,347

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Solution

The third proportional to 1,228,628 and 2,555,347 is: 5,314,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,628 : 2,555,347 = 2,555,347 : x
  2. Step 2: Convert to fraction form
    1,228,628/2,555,347 = 2,555,347/x
  3. Step 3: Cross multiply
    1,228,628x = 2,555,347 × 2,555,347
  4. Step 4: Simplify right side
    1,228,628x = 6,529,798,290,409
  5. Step 5: Solve for x
    x = 6,529,798,290,409/1,228,628
  6. Step 6: Final answer
    x = 5,314,707.37

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.