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Finding the Third Proportional to 515,552 and 1,131,964

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Solution

The third proportional to 515,552 and 1,131,964 is: 2,485,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,552 : 1,131,964 = 1,131,964 : x
  2. Step 2: Convert to fraction form
    515,552/1,131,964 = 1,131,964/x
  3. Step 3: Cross multiply
    515,552x = 1,131,964 × 1,131,964
  4. Step 4: Simplify right side
    515,552x = 1,281,342,497,296
  5. Step 5: Solve for x
    x = 1,281,342,497,296/515,552
  6. Step 6: Final answer
    x = 2,485,379.74

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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.