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Finding the Third Proportional to 12,108,000 and 18,635,910

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Solution

The third proportional to 12,108,000 and 18,635,910 is: 28,683,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,000 : 18,635,910 = 18,635,910 : x
  2. Step 2: Convert to fraction form
    12,108,000/18,635,910 = 18,635,910/x
  3. Step 3: Cross multiply
    12,108,000x = 18,635,910 × 18,635,910
  4. Step 4: Simplify right side
    12,108,000x = 347,297,141,528,100
  5. Step 5: Solve for x
    x = 347,297,141,528,100/12,108,000
  6. Step 6: Final answer
    x = 28,683,278.95

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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.