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Finding the Third Proportional to 175,608 and 261,468

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Solution

The third proportional to 175,608 and 261,468 is: 389,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,608 : 261,468 = 261,468 : x
  2. Step 2: Convert to fraction form
    175,608/261,468 = 261,468/x
  3. Step 3: Cross multiply
    175,608x = 261,468 × 261,468
  4. Step 4: Simplify right side
    175,608x = 68,365,515,024
  5. Step 5: Solve for x
    x = 68,365,515,024/175,608
  6. Step 6: Final answer
    x = 389,307.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.