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Finding the Third Proportional to 768,311,491.50 and 1,653,151,567.38

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Solution

The third proportional to 768,311,491.50 and 1,653,151,567.38 is: 3,557,034,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,311,491.50 : 1,653,151,567.38 = 1,653,151,567.38 : x
  2. Step 2: Convert to fraction form
    768,311,491.50/1,653,151,567.38 = 1,653,151,567.38/x
  3. Step 3: Cross multiply
    768,311,491.50x = 1,653,151,567.38 × 1,653,151,567.38
  4. Step 4: Simplify right side
    768,311,491.50x = 2,732,910,104,714,419,200
  5. Step 5: Solve for x
    x = 2,732,910,104,714,419,200/768,311,491.50
  6. Step 6: Final answer
    x = 3,557,034,008.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.