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Finding the Third Proportional to 1,636,543.50 and 3,577,809

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Solution

The third proportional to 1,636,543.50 and 3,577,809 is: 7,821,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,543.50 : 3,577,809 = 3,577,809 : x
  2. Step 2: Convert to fraction form
    1,636,543.50/3,577,809 = 3,577,809/x
  3. Step 3: Cross multiply
    1,636,543.50x = 3,577,809 × 3,577,809
  4. Step 4: Simplify right side
    1,636,543.50x = 12,800,717,240,481
  5. Step 5: Solve for x
    x = 12,800,717,240,481/1,636,543.50
  6. Step 6: Final answer
    x = 7,821,800.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.