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Finding the Third Proportional to 5,171,850 and 10,879,677

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Solution

The third proportional to 5,171,850 and 10,879,677 is: 22,886,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,850 : 10,879,677 = 10,879,677 : x
  2. Step 2: Convert to fraction form
    5,171,850/10,879,677 = 10,879,677/x
  3. Step 3: Cross multiply
    5,171,850x = 10,879,677 × 10,879,677
  4. Step 4: Simplify right side
    5,171,850x = 118,367,371,624,329
  5. Step 5: Solve for x
    x = 118,367,371,624,329/5,171,850
  6. Step 6: Final answer
    x = 22,886,853.18

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.