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Finding the Third Proportional to 2,206,555,636 and 3,290,698,630

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Solution

The third proportional to 2,206,555,636 and 3,290,698,630 is: 4,907,511,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206,555,636 : 3,290,698,630 = 3,290,698,630 : x
  2. Step 2: Convert to fraction form
    2,206,555,636/3,290,698,630 = 3,290,698,630/x
  3. Step 3: Cross multiply
    2,206,555,636x = 3,290,698,630 × 3,290,698,630
  4. Step 4: Simplify right side
    2,206,555,636x = 10,828,697,473,483,876,352
  5. Step 5: Solve for x
    x = 10,828,697,473,483,876,352/2,206,555,636
  6. Step 6: Final answer
    x = 4,907,511,642.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.