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Finding the Third Proportional to 11,970,453.38 and 18,573,203.81

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Solution

The third proportional to 11,970,453.38 and 18,573,203.81 is: 28,817,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970,453.38 : 18,573,203.81 = 18,573,203.81 : x
  2. Step 2: Convert to fraction form
    11,970,453.38/18,573,203.81 = 18,573,203.81/x
  3. Step 3: Cross multiply
    11,970,453.38x = 18,573,203.81 × 18,573,203.81
  4. Step 4: Simplify right side
    11,970,453.38x = 344,963,899,860,664.56
  5. Step 5: Solve for x
    x = 344,963,899,860,664.56/11,970,453.38
  6. Step 6: Final answer
    x = 28,817,947.75

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.