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Finding the Third Proportional to 69,918,609 and 105,848,968.50

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Solution

The third proportional to 69,918,609 and 105,848,968.50 is: 160,243,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,918,609 : 105,848,968.50 = 105,848,968.50 : x
  2. Step 2: Convert to fraction form
    69,918,609/105,848,968.50 = 105,848,968.50/x
  3. Step 3: Cross multiply
    69,918,609x = 105,848,968.50 × 105,848,968.50
  4. Step 4: Simplify right side
    69,918,609x = 11,204,004,132,513,992
  5. Step 5: Solve for x
    x = 11,204,004,132,513,992/69,918,609
  6. Step 6: Final answer
    x = 160,243,521.61

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.