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Finding the Third Proportional to 53,182 and 82,338

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Solution

The third proportional to 53,182 and 82,338 is: 127,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,182 : 82,338 = 82,338 : x
  2. Step 2: Convert to fraction form
    53,182/82,338 = 82,338/x
  3. Step 3: Cross multiply
    53,182x = 82,338 × 82,338
  4. Step 4: Simplify right side
    53,182x = 6,779,546,244
  5. Step 5: Solve for x
    x = 6,779,546,244/53,182
  6. Step 6: Final answer
    x = 127,478.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.