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Finding the Third Proportional to 4,499,759.19 and 9,717,768.56

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Solution

The third proportional to 4,499,759.19 and 9,717,768.56 is: 20,986,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499,759.19 : 9,717,768.56 = 9,717,768.56 : x
  2. Step 2: Convert to fraction form
    4,499,759.19/9,717,768.56 = 9,717,768.56/x
  3. Step 3: Cross multiply
    4,499,759.19x = 9,717,768.56 × 9,717,768.56
  4. Step 4: Simplify right side
    4,499,759.19x = 94,435,025,834,313.31
  5. Step 5: Solve for x
    x = 94,435,025,834,313.31/4,499,759.19
  6. Step 6: Final answer
    x = 20,986,684.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.