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Finding the Third Proportional to 1,399,571,779.78 and 3,006,846,918.56

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Solution

The third proportional to 1,399,571,779.78 and 3,006,846,918.56 is: 6,459,924,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,571,779.78 : 3,006,846,918.56 = 3,006,846,918.56 : x
  2. Step 2: Convert to fraction form
    1,399,571,779.78/3,006,846,918.56 = 3,006,846,918.56/x
  3. Step 3: Cross multiply
    1,399,571,779.78x = 3,006,846,918.56 × 3,006,846,918.56
  4. Step 4: Simplify right side
    1,399,571,779.78x = 9,041,128,391,668,801,536
  5. Step 5: Solve for x
    x = 9,041,128,391,668,801,536/1,399,571,779.78
  6. Step 6: Final answer
    x = 6,459,924,758.62

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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.