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Finding the Third Proportional to 55,198,228 and 120,422,479

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Solution

The third proportional to 55,198,228 and 120,422,479 is: 262,718,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,198,228 : 120,422,479 = 120,422,479 : x
  2. Step 2: Convert to fraction form
    55,198,228/120,422,479 = 120,422,479/x
  3. Step 3: Cross multiply
    55,198,228x = 120,422,479 × 120,422,479
  4. Step 4: Simplify right side
    55,198,228x = 14,501,573,448,505,440
  5. Step 5: Solve for x
    x = 14,501,573,448,505,440/55,198,228
  6. Step 6: Final answer
    x = 262,718,097.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.