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Finding the Third Proportional to 52,486 and 76,777

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Solution

The third proportional to 52,486 and 76,777 is: 112,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,486 : 76,777 = 76,777 : x
  2. Step 2: Convert to fraction form
    52,486/76,777 = 76,777/x
  3. Step 3: Cross multiply
    52,486x = 76,777 × 76,777
  4. Step 4: Simplify right side
    52,486x = 5,894,707,729
  5. Step 5: Solve for x
    x = 5,894,707,729/52,486
  6. Step 6: Final answer
    x = 112,310.10

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.