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Finding the Third Proportional to 18,871,854 and 41,276,253

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Solution

The third proportional to 18,871,854 and 41,276,253 is: 90,278,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,871,854 : 41,276,253 = 41,276,253 : x
  2. Step 2: Convert to fraction form
    18,871,854/41,276,253 = 41,276,253/x
  3. Step 3: Cross multiply
    18,871,854x = 41,276,253 × 41,276,253
  4. Step 4: Simplify right side
    18,871,854x = 1,703,729,061,720,009
  5. Step 5: Solve for x
    x = 1,703,729,061,720,009/18,871,854
  6. Step 6: Final answer
    x = 90,278,838.62

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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.