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Finding the Third Proportional to 57,371 and 82,630

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Solution

The third proportional to 57,371 and 82,630 is: 119,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371 : 82,630 = 82,630 : x
  2. Step 2: Convert to fraction form
    57,371/82,630 = 82,630/x
  3. Step 3: Cross multiply
    57,371x = 82,630 × 82,630
  4. Step 4: Simplify right side
    57,371x = 6,827,716,900
  5. Step 5: Solve for x
    x = 6,827,716,900/57,371
  6. Step 6: Final answer
    x = 119,009.90

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.