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Finding the Third Proportional to 48,236 and 75,440

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Solution

The third proportional to 48,236 and 75,440 is: 117,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,236 : 75,440 = 75,440 : x
  2. Step 2: Convert to fraction form
    48,236/75,440 = 75,440/x
  3. Step 3: Cross multiply
    48,236x = 75,440 × 75,440
  4. Step 4: Simplify right side
    48,236x = 5,691,193,600
  5. Step 5: Solve for x
    x = 5,691,193,600/48,236
  6. Step 6: Final answer
    x = 117,986.43

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.