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Finding the Third Proportional to 20,447,628 and 43,768,164

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Solution

The third proportional to 20,447,628 and 43,768,164 is: 93,685,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,628 : 43,768,164 = 43,768,164 : x
  2. Step 2: Convert to fraction form
    20,447,628/43,768,164 = 43,768,164/x
  3. Step 3: Cross multiply
    20,447,628x = 43,768,164 × 43,768,164
  4. Step 4: Simplify right side
    20,447,628x = 1,915,652,179,930,896
  5. Step 5: Solve for x
    x = 1,915,652,179,930,896/20,447,628
  6. Step 6: Final answer
    x = 93,685,789.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.