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Finding the Third Proportional to 69,694,843.50 and 143,864,289

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Solution

The third proportional to 69,694,843.50 and 143,864,289 is: 296,965,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,694,843.50 : 143,864,289 = 143,864,289 : x
  2. Step 2: Convert to fraction form
    69,694,843.50/143,864,289 = 143,864,289/x
  3. Step 3: Cross multiply
    69,694,843.50x = 143,864,289 × 143,864,289
  4. Step 4: Simplify right side
    69,694,843.50x = 20,696,933,649,475,520
  5. Step 5: Solve for x
    x = 20,696,933,649,475,520/69,694,843.50
  6. Step 6: Final answer
    x = 296,965,063.84

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.