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Finding the Third Proportional to 15,921,318 and 34,545,768

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Solution

The third proportional to 15,921,318 and 34,545,768 is: 74,956,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921,318 : 34,545,768 = 34,545,768 : x
  2. Step 2: Convert to fraction form
    15,921,318/34,545,768 = 34,545,768/x
  3. Step 3: Cross multiply
    15,921,318x = 34,545,768 × 34,545,768
  4. Step 4: Simplify right side
    15,921,318x = 1,193,410,086,709,824
  5. Step 5: Solve for x
    x = 1,193,410,086,709,824/15,921,318
  6. Step 6: Final answer
    x = 74,956,739.56

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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.