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Finding the Third Proportional to 38,902,760 and 90,052,964

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Solution

The third proportional to 38,902,760 and 90,052,964 is: 208,456,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,902,760 : 90,052,964 = 90,052,964 : x
  2. Step 2: Convert to fraction form
    38,902,760/90,052,964 = 90,052,964/x
  3. Step 3: Cross multiply
    38,902,760x = 90,052,964 × 90,052,964
  4. Step 4: Simplify right side
    38,902,760x = 8,109,536,325,185,296
  5. Step 5: Solve for x
    x = 8,109,536,325,185,296/38,902,760
  6. Step 6: Final answer
    x = 208,456,580.59

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.