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Finding the Third Proportional to 207,228,974 and 453,393,380

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Solution

The third proportional to 207,228,974 and 453,393,380 is: 991,973,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,228,974 : 453,393,380 = 453,393,380 : x
  2. Step 2: Convert to fraction form
    207,228,974/453,393,380 = 453,393,380/x
  3. Step 3: Cross multiply
    207,228,974x = 453,393,380 × 453,393,380
  4. Step 4: Simplify right side
    207,228,974x = 205,565,557,027,824,384
  5. Step 5: Solve for x
    x = 205,565,557,027,824,384/207,228,974
  6. Step 6: Final answer
    x = 991,973,048.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.