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Finding the Third Proportional to 52,231 and 79,570

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Solution

The third proportional to 52,231 and 79,570 is: 121,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231 : 79,570 = 79,570 : x
  2. Step 2: Convert to fraction form
    52,231/79,570 = 79,570/x
  3. Step 3: Cross multiply
    52,231x = 79,570 × 79,570
  4. Step 4: Simplify right side
    52,231x = 6,331,384,900
  5. Step 5: Solve for x
    x = 6,331,384,900/52,231
  6. Step 6: Final answer
    x = 121,218.91

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.