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Finding the Third Proportional to 11,970,436 and 18,573,188

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Solution

The third proportional to 11,970,436 and 18,573,188 is: 28,817,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970,436 : 18,573,188 = 18,573,188 : x
  2. Step 2: Convert to fraction form
    11,970,436/18,573,188 = 18,573,188/x
  3. Step 3: Cross multiply
    11,970,436x = 18,573,188 × 18,573,188
  4. Step 4: Simplify right side
    11,970,436x = 344,963,312,483,344
  5. Step 5: Solve for x
    x = 344,963,312,483,344/11,970,436
  6. Step 6: Final answer
    x = 28,817,940.51

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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.