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Finding the Third Proportional to 5,477,900 and 12,214,648

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Solution

The third proportional to 5,477,900 and 12,214,648 is: 27,236,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477,900 : 12,214,648 = 12,214,648 : x
  2. Step 2: Convert to fraction form
    5,477,900/12,214,648 = 12,214,648/x
  3. Step 3: Cross multiply
    5,477,900x = 12,214,648 × 12,214,648
  4. Step 4: Simplify right side
    5,477,900x = 149,197,625,763,904
  5. Step 5: Solve for x
    x = 149,197,625,763,904/5,477,900
  6. Step 6: Final answer
    x = 27,236,281.38

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.