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Finding the Third Proportional to 6,421,863 and 8,806,104

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Solution

The third proportional to 6,421,863 and 8,806,104 is: 12,075,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,863 : 8,806,104 = 8,806,104 : x
  2. Step 2: Convert to fraction form
    6,421,863/8,806,104 = 8,806,104/x
  3. Step 3: Cross multiply
    6,421,863x = 8,806,104 × 8,806,104
  4. Step 4: Simplify right side
    6,421,863x = 77,547,467,658,816
  5. Step 5: Solve for x
    x = 77,547,467,658,816/6,421,863
  6. Step 6: Final answer
    x = 12,075,540.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.