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Finding the Third Proportional to 3,849,538,803,979.80 and 8,257,901,065,079.40

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Solution

The third proportional to 3,849,538,803,979.80 and 8,257,901,065,079.40 is: 17,714,571,400,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,538,803,979.80 : 8,257,901,065,079.40 = 8,257,901,065,079.40 : x
  2. Step 2: Convert to fraction form
    3,849,538,803,979.80/8,257,901,065,079.40 = 8,257,901,065,079.40/x
  3. Step 3: Cross multiply
    3,849,538,803,979.80x = 8,257,901,065,079.40 × 8,257,901,065,079.40
  4. Step 4: Simplify right side
    3,849,538,803,979.80x = 68,192,930,000,639,495,577,272,320
  5. Step 5: Solve for x
    x = 68,192,930,000,639,495,577,272,320/3,849,538,803,979.80
  6. Step 6: Final answer
    x = 17,714,571,400,121.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.