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Finding the Third Proportional to 111,888,579 and 235,372,956

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Solution

The third proportional to 111,888,579 and 235,372,956 is: 495,139,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,888,579 : 235,372,956 = 235,372,956 : x
  2. Step 2: Convert to fraction form
    111,888,579/235,372,956 = 235,372,956/x
  3. Step 3: Cross multiply
    111,888,579x = 235,372,956 × 235,372,956
  4. Step 4: Simplify right side
    111,888,579x = 55,400,428,416,177,936
  5. Step 5: Solve for x
    x = 55,400,428,416,177,936/111,888,579
  6. Step 6: Final answer
    x = 495,139,261.86

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.