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Finding the Third Proportional to 9,768,378 and 14,359,886

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Solution

The third proportional to 9,768,378 and 14,359,886 is: 21,109,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768,378 : 14,359,886 = 14,359,886 : x
  2. Step 2: Convert to fraction form
    9,768,378/14,359,886 = 14,359,886/x
  3. Step 3: Cross multiply
    9,768,378x = 14,359,886 × 14,359,886
  4. Step 4: Simplify right side
    9,768,378x = 206,206,325,932,996
  5. Step 5: Solve for x
    x = 206,206,325,932,996/9,768,378
  6. Step 6: Final answer
    x = 21,109,576.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.