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Finding the Third Proportional to 1,987,863,084.50 and 4,324,788,865

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Solution

The third proportional to 1,987,863,084.50 and 4,324,788,865 is: 9,408,997,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,863,084.50 : 4,324,788,865 = 4,324,788,865 : x
  2. Step 2: Convert to fraction form
    1,987,863,084.50/4,324,788,865 = 4,324,788,865/x
  3. Step 3: Cross multiply
    1,987,863,084.50x = 4,324,788,865 × 4,324,788,865
  4. Step 4: Simplify right side
    1,987,863,084.50x = 18,703,798,726,827,986,944
  5. Step 5: Solve for x
    x = 18,703,798,726,827,986,944/1,987,863,084.50
  6. Step 6: Final answer
    x = 9,408,997,467.01

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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.