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Finding the Third Proportional to 639,153,058.50 and 1,375,382,673

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Solution

The third proportional to 639,153,058.50 and 1,375,382,673 is: 2,959,662,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,153,058.50 : 1,375,382,673 = 1,375,382,673 : x
  2. Step 2: Convert to fraction form
    639,153,058.50/1,375,382,673 = 1,375,382,673/x
  3. Step 3: Cross multiply
    639,153,058.50x = 1,375,382,673 × 1,375,382,673
  4. Step 4: Simplify right side
    639,153,058.50x = 1,891,677,497,188,624,896
  5. Step 5: Solve for x
    x = 1,891,677,497,188,624,896/639,153,058.50
  6. Step 6: Final answer
    x = 2,959,662,747.49

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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.