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Finding the Third Proportional to 36,857,886 and 79,980,892

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Solution

The third proportional to 36,857,886 and 79,980,892 is: 173,556,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,857,886 : 79,980,892 = 79,980,892 : x
  2. Step 2: Convert to fraction form
    36,857,886/79,980,892 = 79,980,892/x
  3. Step 3: Cross multiply
    36,857,886x = 79,980,892 × 79,980,892
  4. Step 4: Simplify right side
    36,857,886x = 6,396,943,085,115,664
  5. Step 5: Solve for x
    x = 6,396,943,085,115,664/36,857,886
  6. Step 6: Final answer
    x = 173,556,971.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.