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Finding the Third Proportional to 53,178,979 and 115,675,396

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Solution

The third proportional to 53,178,979 and 115,675,396 is: 251,618,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178,979 : 115,675,396 = 115,675,396 : x
  2. Step 2: Convert to fraction form
    53,178,979/115,675,396 = 115,675,396/x
  3. Step 3: Cross multiply
    53,178,979x = 115,675,396 × 115,675,396
  4. Step 4: Simplify right side
    53,178,979x = 13,380,797,239,756,816
  5. Step 5: Solve for x
    x = 13,380,797,239,756,816/53,178,979
  6. Step 6: Final answer
    x = 251,618,167.39

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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.