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Finding the Third Proportional to 25,281 and 39,655

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Solution

The third proportional to 25,281 and 39,655 is: 62,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281 : 39,655 = 39,655 : x
  2. Step 2: Convert to fraction form
    25,281/39,655 = 39,655/x
  3. Step 3: Cross multiply
    25,281x = 39,655 × 39,655
  4. Step 4: Simplify right side
    25,281x = 1,572,519,025
  5. Step 5: Solve for x
    x = 1,572,519,025/25,281
  6. Step 6: Final answer
    x = 62,201.61

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.