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Finding the Third Proportional to 12,562 and 29,715

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Solution

The third proportional to 12,562 and 29,715 is: 70,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562 : 29,715 = 29,715 : x
  2. Step 2: Convert to fraction form
    12,562/29,715 = 29,715/x
  3. Step 3: Cross multiply
    12,562x = 29,715 × 29,715
  4. Step 4: Simplify right side
    12,562x = 882,981,225
  5. Step 5: Solve for x
    x = 882,981,225/12,562
  6. Step 6: Final answer
    x = 70,289.86

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.