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Finding the Third Proportional to 31,295 and 48,427

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Solution

The third proportional to 31,295 and 48,427 is: 74,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,295 : 48,427 = 48,427 : x
  2. Step 2: Convert to fraction form
    31,295/48,427 = 48,427/x
  3. Step 3: Cross multiply
    31,295x = 48,427 × 48,427
  4. Step 4: Simplify right side
    31,295x = 2,345,174,329
  5. Step 5: Solve for x
    x = 2,345,174,329/31,295
  6. Step 6: Final answer
    x = 74,937.67

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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.