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Finding the Third Proportional to 18,213,099 and 37,157,783

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Solution

The third proportional to 18,213,099 and 37,157,783 is: 75,808,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213,099 : 37,157,783 = 37,157,783 : x
  2. Step 2: Convert to fraction form
    18,213,099/37,157,783 = 37,157,783/x
  3. Step 3: Cross multiply
    18,213,099x = 37,157,783 × 37,157,783
  4. Step 4: Simplify right side
    18,213,099x = 1,380,700,837,475,089
  5. Step 5: Solve for x
    x = 1,380,700,837,475,089/18,213,099
  6. Step 6: Final answer
    x = 75,808,122.36

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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.