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Finding the Third Proportional to 768,318 and 1,676,604

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Solution

The third proportional to 768,318 and 1,676,604 is: 3,658,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,318 : 1,676,604 = 1,676,604 : x
  2. Step 2: Convert to fraction form
    768,318/1,676,604 = 1,676,604/x
  3. Step 3: Cross multiply
    768,318x = 1,676,604 × 1,676,604
  4. Step 4: Simplify right side
    768,318x = 2,811,000,972,816
  5. Step 5: Solve for x
    x = 2,811,000,972,816/768,318
  6. Step 6: Final answer
    x = 3,658,642.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.