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Finding the Third Proportional to 18,178,884 and 38,877,174

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Solution

The third proportional to 18,178,884 and 38,877,174 is: 83,142,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178,884 : 38,877,174 = 38,877,174 : x
  2. Step 2: Convert to fraction form
    18,178,884/38,877,174 = 38,877,174/x
  3. Step 3: Cross multiply
    18,178,884x = 38,877,174 × 38,877,174
  4. Step 4: Simplify right side
    18,178,884x = 1,511,434,658,226,276
  5. Step 5: Solve for x
    x = 1,511,434,658,226,276/18,178,884
  6. Step 6: Final answer
    x = 83,142,323.71

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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.