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Finding the Third Proportional to 18,904,041 and 38,501,487

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Solution

The third proportional to 18,904,041 and 38,501,487 is: 78,415,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904,041 : 38,501,487 = 38,501,487 : x
  2. Step 2: Convert to fraction form
    18,904,041/38,501,487 = 38,501,487/x
  3. Step 3: Cross multiply
    18,904,041x = 38,501,487 × 38,501,487
  4. Step 4: Simplify right side
    18,904,041x = 1,482,364,501,211,169
  5. Step 5: Solve for x
    x = 1,482,364,501,211,169/18,904,041
  6. Step 6: Final answer
    x = 78,415,218.27

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.