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Finding the Third Proportional to 11,811,564 and 18,504,402

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Solution

The third proportional to 11,811,564 and 18,504,402 is: 28,989,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811,564 : 18,504,402 = 18,504,402 : x
  2. Step 2: Convert to fraction form
    11,811,564/18,504,402 = 18,504,402/x
  3. Step 3: Cross multiply
    11,811,564x = 18,504,402 × 18,504,402
  4. Step 4: Simplify right side
    11,811,564x = 342,412,893,377,604
  5. Step 5: Solve for x
    x = 342,412,893,377,604/11,811,564
  6. Step 6: Final answer
    x = 28,989,631.97

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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.