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Finding the Third Proportional to 1,800,319 and 3,909,727

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Solution

The third proportional to 1,800,319 and 3,909,727 is: 8,490,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,319 : 3,909,727 = 3,909,727 : x
  2. Step 2: Convert to fraction form
    1,800,319/3,909,727 = 3,909,727/x
  3. Step 3: Cross multiply
    1,800,319x = 3,909,727 × 3,909,727
  4. Step 4: Simplify right side
    1,800,319x = 15,285,965,214,529
  5. Step 5: Solve for x
    x = 15,285,965,214,529/1,800,319
  6. Step 6: Final answer
    x = 8,490,698.16

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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.