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Finding the Third Proportional to 1,279,000 and 2,762,928

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Solution

The third proportional to 1,279,000 and 2,762,928 is: 5,968,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,000 : 2,762,928 = 2,762,928 : x
  2. Step 2: Convert to fraction form
    1,279,000/2,762,928 = 2,762,928/x
  3. Step 3: Cross multiply
    1,279,000x = 2,762,928 × 2,762,928
  4. Step 4: Simplify right side
    1,279,000x = 7,633,771,133,184
  5. Step 5: Solve for x
    x = 7,633,771,133,184/1,279,000
  6. Step 6: Final answer
    x = 5,968,546.62

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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.