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Finding the Third Proportional to 28,534 and 63,188

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Solution

The third proportional to 28,534 and 63,188 is: 139,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534 : 63,188 = 63,188 : x
  2. Step 2: Convert to fraction form
    28,534/63,188 = 63,188/x
  3. Step 3: Cross multiply
    28,534x = 63,188 × 63,188
  4. Step 4: Simplify right side
    28,534x = 3,992,723,344
  5. Step 5: Solve for x
    x = 3,992,723,344/28,534
  6. Step 6: Final answer
    x = 139,928.62

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.