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Finding the Third Proportional to 31,252 and 48,395

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Solution

The third proportional to 31,252 and 48,395 is: 74,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,252 : 48,395 = 48,395 : x
  2. Step 2: Convert to fraction form
    31,252/48,395 = 48,395/x
  3. Step 3: Cross multiply
    31,252x = 48,395 × 48,395
  4. Step 4: Simplify right side
    31,252x = 2,342,076,025
  5. Step 5: Solve for x
    x = 2,342,076,025/31,252
  6. Step 6: Final answer
    x = 74,941.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.