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Finding the Third Proportional to 4,379,307,200 and 9,069,035,020

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Solution

The third proportional to 4,379,307,200 and 9,069,035,020 is: 18,780,914,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379,307,200 : 9,069,035,020 = 9,069,035,020 : x
  2. Step 2: Convert to fraction form
    4,379,307,200/9,069,035,020 = 9,069,035,020/x
  3. Step 3: Cross multiply
    4,379,307,200x = 9,069,035,020 × 9,069,035,020
  4. Step 4: Simplify right side
    4,379,307,200x = 82,247,396,193,986,396,160
  5. Step 5: Solve for x
    x = 82,247,396,193,986,396,160/4,379,307,200
  6. Step 6: Final answer
    x = 18,780,914,979.88

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.