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Finding the Third Proportional to 3,668,797,034,392.80 and 7,981,725,321,439.80

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Solution

The third proportional to 3,668,797,034,392.80 and 7,981,725,321,439.80 is: 17,364,803,370,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668,797,034,392.80 : 7,981,725,321,439.80 = 7,981,725,321,439.80 : x
  2. Step 2: Convert to fraction form
    3,668,797,034,392.80/7,981,725,321,439.80 = 7,981,725,321,439.80/x
  3. Step 3: Cross multiply
    3,668,797,034,392.80x = 7,981,725,321,439.80 × 7,981,725,321,439.80
  4. Step 4: Simplify right side
    3,668,797,034,392.80x = 63,707,939,106,913,274,717,798,400
  5. Step 5: Solve for x
    x = 63,707,939,106,913,274,717,798,400/3,668,797,034,392.80
  6. Step 6: Final answer
    x = 17,364,803,370,066.28

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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.