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Finding the Third Proportional to 264,318 and 425,592

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Solution

The third proportional to 264,318 and 425,592 is: 685,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,318 : 425,592 = 425,592 : x
  2. Step 2: Convert to fraction form
    264,318/425,592 = 425,592/x
  3. Step 3: Cross multiply
    264,318x = 425,592 × 425,592
  4. Step 4: Simplify right side
    264,318x = 181,128,550,464
  5. Step 5: Solve for x
    x = 181,128,550,464/264,318
  6. Step 6: Final answer
    x = 685,267.56

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.