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Finding the Third Proportional to 25,671 and 38,130

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Solution

The third proportional to 25,671 and 38,130 is: 56,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671 : 38,130 = 38,130 : x
  2. Step 2: Convert to fraction form
    25,671/38,130 = 38,130/x
  3. Step 3: Cross multiply
    25,671x = 38,130 × 38,130
  4. Step 4: Simplify right side
    25,671x = 1,453,896,900
  5. Step 5: Solve for x
    x = 1,453,896,900/25,671
  6. Step 6: Final answer
    x = 56,635.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.