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Finding the Third Proportional to 18,048,936 and 38,975,073

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Solution

The third proportional to 18,048,936 and 38,975,073 is: 84,163,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048,936 : 38,975,073 = 38,975,073 : x
  2. Step 2: Convert to fraction form
    18,048,936/38,975,073 = 38,975,073/x
  3. Step 3: Cross multiply
    18,048,936x = 38,975,073 × 38,975,073
  4. Step 4: Simplify right side
    18,048,936x = 1,519,056,315,355,329
  5. Step 5: Solve for x
    x = 1,519,056,315,355,329/18,048,936
  6. Step 6: Final answer
    x = 84,163,205.82

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.