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Finding the Third Proportional to 264,172 and 515,114

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Solution

The third proportional to 264,172 and 515,114 is: 1,004,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,172 : 515,114 = 515,114 : x
  2. Step 2: Convert to fraction form
    264,172/515,114 = 515,114/x
  3. Step 3: Cross multiply
    264,172x = 515,114 × 515,114
  4. Step 4: Simplify right side
    264,172x = 265,342,432,996
  5. Step 5: Solve for x
    x = 265,342,432,996/264,172
  6. Step 6: Final answer
    x = 1,004,430.57

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.