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Finding the Third Proportional to 12,744,100.20 and 18,877,200.61

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Solution

The third proportional to 12,744,100.20 and 18,877,200.61 is: 27,961,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744,100.20 : 18,877,200.61 = 18,877,200.61 : x
  2. Step 2: Convert to fraction form
    12,744,100.20/18,877,200.61 = 18,877,200.61/x
  3. Step 3: Cross multiply
    12,744,100.20x = 18,877,200.61 × 18,877,200.61
  4. Step 4: Simplify right side
    12,744,100.20x = 356,348,702,846,587.88
  5. Step 5: Solve for x
    x = 356,348,702,846,587.88/12,744,100.20
  6. Step 6: Final answer
    x = 27,961,856.65

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.