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Finding the Third Proportional to 5,680,889 and 7,990,548

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Solution

The third proportional to 5,680,889 and 7,990,548 is: 11,239,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680,889 : 7,990,548 = 7,990,548 : x
  2. Step 2: Convert to fraction form
    5,680,889/7,990,548 = 7,990,548/x
  3. Step 3: Cross multiply
    5,680,889x = 7,990,548 × 7,990,548
  4. Step 4: Simplify right side
    5,680,889x = 63,848,857,340,304
  5. Step 5: Solve for x
    x = 63,848,857,340,304/5,680,889
  6. Step 6: Final answer
    x = 11,239,236.91

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.