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Finding the Third Proportional to 7,791,106.50 and 11,643,053.91

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Solution

The third proportional to 7,791,106.50 and 11,643,053.91 is: 17,399,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,106.50 : 11,643,053.91 = 11,643,053.91 : x
  2. Step 2: Convert to fraction form
    7,791,106.50/11,643,053.91 = 11,643,053.91/x
  3. Step 3: Cross multiply
    7,791,106.50x = 11,643,053.91 × 11,643,053.91
  4. Step 4: Simplify right side
    7,791,106.50x = 135,560,704,263,843.39
  5. Step 5: Solve for x
    x = 135,560,704,263,843.39/7,791,106.50
  6. Step 6: Final answer
    x = 17,399,416.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.