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Finding the Third Proportional to 1,388,846,606 and 1,891,372,053

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Solution

The third proportional to 1,388,846,606 and 1,891,372,053 is: 2,575,725,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,846,606 : 1,891,372,053 = 1,891,372,053 : x
  2. Step 2: Convert to fraction form
    1,388,846,606/1,891,372,053 = 1,891,372,053/x
  3. Step 3: Cross multiply
    1,388,846,606x = 1,891,372,053 × 1,891,372,053
  4. Step 4: Simplify right side
    1,388,846,606x = 3,577,288,242,869,434,880
  5. Step 5: Solve for x
    x = 3,577,288,242,869,434,880/1,388,846,606
  6. Step 6: Final answer
    x = 2,575,725,949.44

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.