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Finding the Third Proportional to 11,970,406 and 18,573,132

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Solution

The third proportional to 11,970,406 and 18,573,132 is: 28,817,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970,406 : 18,573,132 = 18,573,132 : x
  2. Step 2: Convert to fraction form
    11,970,406/18,573,132 = 18,573,132/x
  3. Step 3: Cross multiply
    11,970,406x = 18,573,132 × 18,573,132
  4. Step 4: Simplify right side
    11,970,406x = 344,961,232,289,424
  5. Step 5: Solve for x
    x = 344,961,232,289,424/11,970,406
  6. Step 6: Final answer
    x = 28,817,838.95

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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.