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Finding the Third Proportional to 12,020 and 26,225

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Solution

The third proportional to 12,020 and 26,225 is: 57,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020 : 26,225 = 26,225 : x
  2. Step 2: Convert to fraction form
    12,020/26,225 = 26,225/x
  3. Step 3: Cross multiply
    12,020x = 26,225 × 26,225
  4. Step 4: Simplify right side
    12,020x = 687,750,625
  5. Step 5: Solve for x
    x = 687,750,625/12,020
  6. Step 6: Final answer
    x = 57,217.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.