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Finding the Third Proportional to 3,118,521 and 6,718,290

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Solution

The third proportional to 3,118,521 and 6,718,290 is: 14,473,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,521 : 6,718,290 = 6,718,290 : x
  2. Step 2: Convert to fraction form
    3,118,521/6,718,290 = 6,718,290/x
  3. Step 3: Cross multiply
    3,118,521x = 6,718,290 × 6,718,290
  4. Step 4: Simplify right side
    3,118,521x = 45,135,420,524,100
  5. Step 5: Solve for x
    x = 45,135,420,524,100/3,118,521
  6. Step 6: Final answer
    x = 14,473,341.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.