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Finding the Third Proportional to 8,367,975.56 and 12,930,656.06

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Solution

The third proportional to 8,367,975.56 and 12,930,656.06 is: 19,981,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367,975.56 : 12,930,656.06 = 12,930,656.06 : x
  2. Step 2: Convert to fraction form
    8,367,975.56/12,930,656.06 = 12,930,656.06/x
  3. Step 3: Cross multiply
    8,367,975.56x = 12,930,656.06 × 12,930,656.06
  4. Step 4: Simplify right side
    8,367,975.56x = 167,201,866,206,668
  5. Step 5: Solve for x
    x = 167,201,866,206,668/8,367,975.56
  6. Step 6: Final answer
    x = 19,981,160.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.