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Finding the Third Proportional to 12,909,228 and 27,810,172

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Solution

The third proportional to 12,909,228 and 27,810,172 is: 59,911,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,228 : 27,810,172 = 27,810,172 : x
  2. Step 2: Convert to fraction form
    12,909,228/27,810,172 = 27,810,172/x
  3. Step 3: Cross multiply
    12,909,228x = 27,810,172 × 27,810,172
  4. Step 4: Simplify right side
    12,909,228x = 773,405,666,669,584
  5. Step 5: Solve for x
    x = 773,405,666,669,584/12,909,228
  6. Step 6: Final answer
    x = 59,911,070.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.