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Finding the Third Proportional to 18,418,253 and 40,104,073

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Solution

The third proportional to 18,418,253 and 40,104,073 is: 87,322,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418,253 : 40,104,073 = 40,104,073 : x
  2. Step 2: Convert to fraction form
    18,418,253/40,104,073 = 40,104,073/x
  3. Step 3: Cross multiply
    18,418,253x = 40,104,073 × 40,104,073
  4. Step 4: Simplify right side
    18,418,253x = 1,608,336,671,189,329
  5. Step 5: Solve for x
    x = 1,608,336,671,189,329/18,418,253
  6. Step 6: Final answer
    x = 87,322,976.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.