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Finding the Third Proportional to 56,452 and 86,630

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Solution

The third proportional to 56,452 and 86,630 is: 132,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,452 : 86,630 = 86,630 : x
  2. Step 2: Convert to fraction form
    56,452/86,630 = 86,630/x
  3. Step 3: Cross multiply
    56,452x = 86,630 × 86,630
  4. Step 4: Simplify right side
    56,452x = 7,504,756,900
  5. Step 5: Solve for x
    x = 7,504,756,900/56,452
  6. Step 6: Final answer
    x = 132,940.50

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.