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Finding the Third Proportional to 53,002,191 and 79,186,815

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Solution

The third proportional to 53,002,191 and 79,186,815 is: 118,307,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002,191 : 79,186,815 = 79,186,815 : x
  2. Step 2: Convert to fraction form
    53,002,191/79,186,815 = 79,186,815/x
  3. Step 3: Cross multiply
    53,002,191x = 79,186,815 × 79,186,815
  4. Step 4: Simplify right side
    53,002,191x = 6,270,551,669,844,225
  5. Step 5: Solve for x
    x = 6,270,551,669,844,225/53,002,191
  6. Step 6: Final answer
    x = 118,307,404.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.