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Finding the Third Proportional to 69,788,598 and 115,909,990

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Solution

The third proportional to 69,788,598 and 115,909,990 is: 192,511,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,788,598 : 115,909,990 = 115,909,990 : x
  2. Step 2: Convert to fraction form
    69,788,598/115,909,990 = 115,909,990/x
  3. Step 3: Cross multiply
    69,788,598x = 115,909,990 × 115,909,990
  4. Step 4: Simplify right side
    69,788,598x = 13,435,125,781,800,100
  5. Step 5: Solve for x
    x = 13,435,125,781,800,100/69,788,598
  6. Step 6: Final answer
    x = 192,511,759.32

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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.