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Finding the Third Proportional to 11,812,986.50 and 18,531,088

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Solution

The third proportional to 11,812,986.50 and 18,531,088 is: 29,069,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812,986.50 : 18,531,088 = 18,531,088 : x
  2. Step 2: Convert to fraction form
    11,812,986.50/18,531,088 = 18,531,088/x
  3. Step 3: Cross multiply
    11,812,986.50x = 18,531,088 × 18,531,088
  4. Step 4: Simplify right side
    11,812,986.50x = 343,401,222,463,744
  5. Step 5: Solve for x
    x = 343,401,222,463,744/11,812,986.50
  6. Step 6: Final answer
    x = 29,069,805.71

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.