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Finding the Third Proportional to 12,975,419 and 18,251,554

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Solution

The third proportional to 12,975,419 and 18,251,554 is: 25,673,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975,419 : 18,251,554 = 18,251,554 : x
  2. Step 2: Convert to fraction form
    12,975,419/18,251,554 = 18,251,554/x
  3. Step 3: Cross multiply
    12,975,419x = 18,251,554 × 18,251,554
  4. Step 4: Simplify right side
    12,975,419x = 333,119,223,414,916
  5. Step 5: Solve for x
    x = 333,119,223,414,916/12,975,419
  6. Step 6: Final answer
    x = 25,673,099.53

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.