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Finding the Third Proportional to 18,705,789 and 43,705,179

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Solution

The third proportional to 18,705,789 and 43,705,179 is: 102,115,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705,789 : 43,705,179 = 43,705,179 : x
  2. Step 2: Convert to fraction form
    18,705,789/43,705,179 = 43,705,179/x
  3. Step 3: Cross multiply
    18,705,789x = 43,705,179 × 43,705,179
  4. Step 4: Simplify right side
    18,705,789x = 1,910,142,671,422,041
  5. Step 5: Solve for x
    x = 1,910,142,671,422,041/18,705,789
  6. Step 6: Final answer
    x = 102,115,054.94

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.