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Finding the Third Proportional to 7,879,485 and 17,253,693

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Solution

The third proportional to 7,879,485 and 17,253,693 is: 37,780,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,485 : 17,253,693 = 17,253,693 : x
  2. Step 2: Convert to fraction form
    7,879,485/17,253,693 = 17,253,693/x
  3. Step 3: Cross multiply
    7,879,485x = 17,253,693 × 17,253,693
  4. Step 4: Simplify right side
    7,879,485x = 297,689,922,138,249
  5. Step 5: Solve for x
    x = 297,689,922,138,249/7,879,485
  6. Step 6: Final answer
    x = 37,780,378.05

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.