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Finding the Third Proportional to 131,766.75 and 288,603

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Solution

The third proportional to 131,766.75 and 288,603 is: 632,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,766.75 : 288,603 = 288,603 : x
  2. Step 2: Convert to fraction form
    131,766.75/288,603 = 288,603/x
  3. Step 3: Cross multiply
    131,766.75x = 288,603 × 288,603
  4. Step 4: Simplify right side
    131,766.75x = 83,291,691,609
  5. Step 5: Solve for x
    x = 83,291,691,609/131,766.75
  6. Step 6: Final answer
    x = 632,114.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.