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Finding the Third Proportional to 12,702 and 29,684

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Solution

The third proportional to 12,702 and 29,684 is: 69,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702 : 29,684 = 29,684 : x
  2. Step 2: Convert to fraction form
    12,702/29,684 = 29,684/x
  3. Step 3: Cross multiply
    12,702x = 29,684 × 29,684
  4. Step 4: Simplify right side
    12,702x = 881,139,856
  5. Step 5: Solve for x
    x = 881,139,856/12,702
  6. Step 6: Final answer
    x = 69,370.17

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.