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Finding the Third Proportional to 20,170,956 and 30,277,089

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Solution

The third proportional to 20,170,956 and 30,277,089 is: 45,446,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170,956 : 30,277,089 = 30,277,089 : x
  2. Step 2: Convert to fraction form
    20,170,956/30,277,089 = 30,277,089/x
  3. Step 3: Cross multiply
    20,170,956x = 30,277,089 × 30,277,089
  4. Step 4: Simplify right side
    20,170,956x = 916,702,118,313,921
  5. Step 5: Solve for x
    x = 916,702,118,313,921/20,170,956
  6. Step 6: Final answer
    x = 45,446,637.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.