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Finding the Third Proportional to 12,621,330 and 27,228,132

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Solution

The third proportional to 12,621,330 and 27,228,132 is: 58,739,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,330 : 27,228,132 = 27,228,132 : x
  2. Step 2: Convert to fraction form
    12,621,330/27,228,132 = 27,228,132/x
  3. Step 3: Cross multiply
    12,621,330x = 27,228,132 × 27,228,132
  4. Step 4: Simplify right side
    12,621,330x = 741,371,172,209,424
  5. Step 5: Solve for x
    x = 741,371,172,209,424/12,621,330
  6. Step 6: Final answer
    x = 58,739,544.26

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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.