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Finding the Third Proportional to 82,514 and 180,484

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Solution

The third proportional to 82,514 and 180,484 is: 394,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,514 : 180,484 = 180,484 : x
  2. Step 2: Convert to fraction form
    82,514/180,484 = 180,484/x
  3. Step 3: Cross multiply
    82,514x = 180,484 × 180,484
  4. Step 4: Simplify right side
    82,514x = 32,574,474,256
  5. Step 5: Solve for x
    x = 32,574,474,256/82,514
  6. Step 6: Final answer
    x = 394,775.12

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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.