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Finding the Third Proportional to 117,115,586 and 254,392,153

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Solution

The third proportional to 117,115,586 and 254,392,153 is: 552,576,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,115,586 : 254,392,153 = 254,392,153 : x
  2. Step 2: Convert to fraction form
    117,115,586/254,392,153 = 254,392,153/x
  3. Step 3: Cross multiply
    117,115,586x = 254,392,153 × 254,392,153
  4. Step 4: Simplify right side
    117,115,586x = 64,715,367,507,975,408
  5. Step 5: Solve for x
    x = 64,715,367,507,975,408/117,115,586
  6. Step 6: Final answer
    x = 552,576,900.46

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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.