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Finding the Third Proportional to 62,420 and 130,026

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Solution

The third proportional to 62,420 and 130,026 is: 270,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,420 : 130,026 = 130,026 : x
  2. Step 2: Convert to fraction form
    62,420/130,026 = 130,026/x
  3. Step 3: Cross multiply
    62,420x = 130,026 × 130,026
  4. Step 4: Simplify right side
    62,420x = 16,906,760,676
  5. Step 5: Solve for x
    x = 16,906,760,676/62,420
  6. Step 6: Final answer
    x = 270,854.87

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.