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Finding the Third Proportional to 4,222,370 and 6,988,661

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Solution

The third proportional to 4,222,370 and 6,988,661 is: 11,567,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222,370 : 6,988,661 = 6,988,661 : x
  2. Step 2: Convert to fraction form
    4,222,370/6,988,661 = 6,988,661/x
  3. Step 3: Cross multiply
    4,222,370x = 6,988,661 × 6,988,661
  4. Step 4: Simplify right side
    4,222,370x = 48,841,382,572,921
  5. Step 5: Solve for x
    x = 48,841,382,572,921/4,222,370
  6. Step 6: Final answer
    x = 11,567,291.02

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.