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Finding the Third Proportional to 117,115,406 and 254,391,820

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Solution

The third proportional to 117,115,406 and 254,391,820 is: 552,576,303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,115,406 : 254,391,820 = 254,391,820 : x
  2. Step 2: Convert to fraction form
    117,115,406/254,391,820 = 254,391,820/x
  3. Step 3: Cross multiply
    117,115,406x = 254,391,820 × 254,391,820
  4. Step 4: Simplify right side
    117,115,406x = 64,715,198,082,912,400
  5. Step 5: Solve for x
    x = 64,715,198,082,912,400/117,115,406
  6. Step 6: Final answer
    x = 552,576,303.09

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.