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Finding the Third Proportional to 69,100,900 and 151,218,888

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Solution

The third proportional to 69,100,900 and 151,218,888 is: 330,924,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,100,900 : 151,218,888 = 151,218,888 : x
  2. Step 2: Convert to fraction form
    69,100,900/151,218,888 = 151,218,888/x
  3. Step 3: Cross multiply
    69,100,900x = 151,218,888 × 151,218,888
  4. Step 4: Simplify right side
    69,100,900x = 22,867,152,087,956,544
  5. Step 5: Solve for x
    x = 22,867,152,087,956,544/69,100,900
  6. Step 6: Final answer
    x = 330,924,084.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.