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Finding the Third Proportional to 18,366,318 and 40,039,548

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Solution

The third proportional to 18,366,318 and 40,039,548 is: 87,288,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366,318 : 40,039,548 = 40,039,548 : x
  2. Step 2: Convert to fraction form
    18,366,318/40,039,548 = 40,039,548/x
  3. Step 3: Cross multiply
    18,366,318x = 40,039,548 × 40,039,548
  4. Step 4: Simplify right side
    18,366,318x = 1,603,165,404,044,304
  5. Step 5: Solve for x
    x = 1,603,165,404,044,304/18,366,318
  6. Step 6: Final answer
    x = 87,288,339.67

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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.