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Finding the Third Proportional to 676,982 and 1,486,819

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Solution

The third proportional to 676,982 and 1,486,819 is: 3,265,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,982 : 1,486,819 = 1,486,819 : x
  2. Step 2: Convert to fraction form
    676,982/1,486,819 = 1,486,819/x
  3. Step 3: Cross multiply
    676,982x = 1,486,819 × 1,486,819
  4. Step 4: Simplify right side
    676,982x = 2,210,630,738,761
  5. Step 5: Solve for x
    x = 2,210,630,738,761/676,982
  6. Step 6: Final answer
    x = 3,265,420.26

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.