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Finding the Third Proportional to 639,153,222 and 1,375,382,973

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Solution

The third proportional to 639,153,222 and 1,375,382,973 is: 2,959,663,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,153,222 : 1,375,382,973 = 1,375,382,973 : x
  2. Step 2: Convert to fraction form
    639,153,222/1,375,382,973 = 1,375,382,973/x
  3. Step 3: Cross multiply
    639,153,222x = 1,375,382,973 × 1,375,382,973
  4. Step 4: Simplify right side
    639,153,222x = 1,891,678,322,418,318,848
  5. Step 5: Solve for x
    x = 1,891,678,322,418,318,848/639,153,222
  6. Step 6: Final answer
    x = 2,959,663,281.52

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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.