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Finding the Third Proportional to 9,606,784.78 and 20,919,305.53

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Solution

The third proportional to 9,606,784.78 and 20,919,305.53 is: 45,552,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,606,784.78 : 20,919,305.53 = 20,919,305.53 : x
  2. Step 2: Convert to fraction form
    9,606,784.78/20,919,305.53 = 20,919,305.53/x
  3. Step 3: Cross multiply
    9,606,784.78x = 20,919,305.53 × 20,919,305.53
  4. Step 4: Simplify right side
    9,606,784.78x = 437,617,343,909,786.88
  5. Step 5: Solve for x
    x = 437,617,343,909,786.88/9,606,784.78
  6. Step 6: Final answer
    x = 45,552,945.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.