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Finding the Third Proportional to 809,424 and 1,748,515

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Solution

The third proportional to 809,424 and 1,748,515 is: 3,777,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,424 : 1,748,515 = 1,748,515 : x
  2. Step 2: Convert to fraction form
    809,424/1,748,515 = 1,748,515/x
  3. Step 3: Cross multiply
    809,424x = 1,748,515 × 1,748,515
  4. Step 4: Simplify right side
    809,424x = 3,057,304,705,225
  5. Step 5: Solve for x
    x = 3,057,304,705,225/809,424
  6. Step 6: Final answer
    x = 3,777,136.22

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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.