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Finding the Third Proportional to 1,178,696,359.50 and 1,964,375,539.50

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Solution

The third proportional to 1,178,696,359.50 and 1,964,375,539.50 is: 3,273,761,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,696,359.50 : 1,964,375,539.50 = 1,964,375,539.50 : x
  2. Step 2: Convert to fraction form
    1,178,696,359.50/1,964,375,539.50 = 1,964,375,539.50/x
  3. Step 3: Cross multiply
    1,178,696,359.50x = 1,964,375,539.50 × 1,964,375,539.50
  4. Step 4: Simplify right side
    1,178,696,359.50x = 3,858,771,260,185,915,904
  5. Step 5: Solve for x
    x = 3,858,771,260,185,915,904/1,178,696,359.50
  6. Step 6: Final answer
    x = 3,273,761,922.73

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.