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Finding the Third Proportional to 40,908,586 and 90,897,777

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Solution

The third proportional to 40,908,586 and 90,897,777 is: 201,972,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908,586 : 90,897,777 = 90,897,777 : x
  2. Step 2: Convert to fraction form
    40,908,586/90,897,777 = 90,897,777/x
  3. Step 3: Cross multiply
    40,908,586x = 90,897,777 × 90,897,777
  4. Step 4: Simplify right side
    40,908,586x = 8,262,405,863,541,729
  5. Step 5: Solve for x
    x = 8,262,405,863,541,729/40,908,586
  6. Step 6: Final answer
    x = 201,972,413.90

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.