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Finding the Third Proportional to 70,421,958 and 150,535,458

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Solution

The third proportional to 70,421,958 and 150,535,458 is: 321,787,759.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,421,958 : 150,535,458 = 150,535,458 : x
  2. Step 2: Convert to fraction form
    70,421,958/150,535,458 = 150,535,458/x
  3. Step 3: Cross multiply
    70,421,958x = 150,535,458 × 150,535,458
  4. Step 4: Simplify right side
    70,421,958x = 22,660,924,115,269,764
  5. Step 5: Solve for x
    x = 22,660,924,115,269,764/70,421,958
  6. Step 6: Final answer
    x = 321,787,759.94

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.