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Finding the Third Proportional to 12,108,852 and 18,698,679

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Solution

The third proportional to 12,108,852 and 18,698,679 is: 28,874,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,852 : 18,698,679 = 18,698,679 : x
  2. Step 2: Convert to fraction form
    12,108,852/18,698,679 = 18,698,679/x
  3. Step 3: Cross multiply
    12,108,852x = 18,698,679 × 18,698,679
  4. Step 4: Simplify right side
    12,108,852x = 349,640,596,345,041
  5. Step 5: Solve for x
    x = 349,640,596,345,041/12,108,852
  6. Step 6: Final answer
    x = 28,874,793.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.