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Finding the Third Proportional to 69,788,589 and 115,909,977

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Solution

The third proportional to 69,788,589 and 115,909,977 is: 192,511,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,788,589 : 115,909,977 = 115,909,977 : x
  2. Step 2: Convert to fraction form
    69,788,589/115,909,977 = 115,909,977/x
  3. Step 3: Cross multiply
    69,788,589x = 115,909,977 × 115,909,977
  4. Step 4: Simplify right side
    69,788,589x = 13,435,122,768,140,528
  5. Step 5: Solve for x
    x = 13,435,122,768,140,528/69,788,589
  6. Step 6: Final answer
    x = 192,511,740.97

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.