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Finding the Third Proportional to 3,326,782 and 7,218,222

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Solution

The third proportional to 3,326,782 and 7,218,222 is: 15,661,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326,782 : 7,218,222 = 7,218,222 : x
  2. Step 2: Convert to fraction form
    3,326,782/7,218,222 = 7,218,222/x
  3. Step 3: Cross multiply
    3,326,782x = 7,218,222 × 7,218,222
  4. Step 4: Simplify right side
    3,326,782x = 52,102,728,841,284
  5. Step 5: Solve for x
    x = 52,102,728,841,284/3,326,782
  6. Step 6: Final answer
    x = 15,661,599.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.