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Finding the Third Proportional to 673,220 and 1,451,416

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Solution

The third proportional to 673,220 and 1,451,416 is: 3,129,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,220 : 1,451,416 = 1,451,416 : x
  2. Step 2: Convert to fraction form
    673,220/1,451,416 = 1,451,416/x
  3. Step 3: Cross multiply
    673,220x = 1,451,416 × 1,451,416
  4. Step 4: Simplify right side
    673,220x = 2,106,608,405,056
  5. Step 5: Solve for x
    x = 2,106,608,405,056/673,220
  6. Step 6: Final answer
    x = 3,129,153.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.