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Finding the Third Proportional to 31,816 and 48,562

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Solution

The third proportional to 31,816 and 48,562 is: 74,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816 : 48,562 = 48,562 : x
  2. Step 2: Convert to fraction form
    31,816/48,562 = 48,562/x
  3. Step 3: Cross multiply
    31,816x = 48,562 × 48,562
  4. Step 4: Simplify right side
    31,816x = 2,358,267,844
  5. Step 5: Solve for x
    x = 2,358,267,844/31,816
  6. Step 6: Final answer
    x = 74,122.07

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.