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Finding the Third Proportional to 12,539,664 and 18,760,860

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Solution

The third proportional to 12,539,664 and 18,760,860 is: 28,068,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,664 : 18,760,860 = 18,760,860 : x
  2. Step 2: Convert to fraction form
    12,539,664/18,760,860 = 18,760,860/x
  3. Step 3: Cross multiply
    12,539,664x = 18,760,860 × 18,760,860
  4. Step 4: Simplify right side
    12,539,664x = 351,969,867,939,600
  5. Step 5: Solve for x
    x = 351,969,867,939,600/12,539,664
  6. Step 6: Final answer
    x = 28,068,524.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.