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Finding the Third Proportional to 8,538,936 and 18,298,236

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Solution

The third proportional to 8,538,936 and 18,298,236 is: 39,211,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,936 : 18,298,236 = 18,298,236 : x
  2. Step 2: Convert to fraction form
    8,538,936/18,298,236 = 18,298,236/x
  3. Step 3: Cross multiply
    8,538,936x = 18,298,236 × 18,298,236
  4. Step 4: Simplify right side
    8,538,936x = 334,825,440,711,696
  5. Step 5: Solve for x
    x = 334,825,440,711,696/8,538,936
  6. Step 6: Final answer
    x = 39,211,611.46

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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.