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Finding the Third Proportional to 12,702,134 and 19,081,911

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Solution

The third proportional to 12,702,134 and 19,081,911 is: 28,665,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702,134 : 19,081,911 = 19,081,911 : x
  2. Step 2: Convert to fraction form
    12,702,134/19,081,911 = 19,081,911/x
  3. Step 3: Cross multiply
    12,702,134x = 19,081,911 × 19,081,911
  4. Step 4: Simplify right side
    12,702,134x = 364,119,327,411,921
  5. Step 5: Solve for x
    x = 364,119,327,411,921/12,702,134
  6. Step 6: Final answer
    x = 28,665,996.39

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