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Finding the Third Proportional to 252,822 and 540,636

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Solution

The third proportional to 252,822 and 540,636 is: 1,156,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,822 : 540,636 = 540,636 : x
  2. Step 2: Convert to fraction form
    252,822/540,636 = 540,636/x
  3. Step 3: Cross multiply
    252,822x = 540,636 × 540,636
  4. Step 4: Simplify right side
    252,822x = 292,287,284,496
  5. Step 5: Solve for x
    x = 292,287,284,496/252,822
  6. Step 6: Final answer
    x = 1,156,099.09

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.