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Finding the Third Proportional to 18,919,485 and 41,372,271

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Solution

The third proportional to 18,919,485 and 41,372,271 is: 90,471,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,919,485 : 41,372,271 = 41,372,271 : x
  2. Step 2: Convert to fraction form
    18,919,485/41,372,271 = 41,372,271/x
  3. Step 3: Cross multiply
    18,919,485x = 41,372,271 × 41,372,271
  4. Step 4: Simplify right side
    18,919,485x = 1,711,664,807,697,441
  5. Step 5: Solve for x
    x = 1,711,664,807,697,441/18,919,485
  6. Step 6: Final answer
    x = 90,471,004.24

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.