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Finding the Third Proportional to 1,189,536,772 and 2,576,772,712

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Solution

The third proportional to 1,189,536,772 and 2,576,772,712 is: 5,581,801,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,536,772 : 2,576,772,712 = 2,576,772,712 : x
  2. Step 2: Convert to fraction form
    1,189,536,772/2,576,772,712 = 2,576,772,712/x
  3. Step 3: Cross multiply
    1,189,536,772x = 2,576,772,712 × 2,576,772,712
  4. Step 4: Simplify right side
    1,189,536,772x = 6,639,757,609,307,835,392
  5. Step 5: Solve for x
    x = 6,639,757,609,307,835,392/1,189,536,772
  6. Step 6: Final answer
    x = 5,581,801,055.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.