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Finding the Third Proportional to 19,740 and 26,082

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Solution

The third proportional to 19,740 and 26,082 is: 34,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740 : 26,082 = 26,082 : x
  2. Step 2: Convert to fraction form
    19,740/26,082 = 26,082/x
  3. Step 3: Cross multiply
    19,740x = 26,082 × 26,082
  4. Step 4: Simplify right side
    19,740x = 680,270,724
  5. Step 5: Solve for x
    x = 680,270,724/19,740
  6. Step 6: Final answer
    x = 34,461.54

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.