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Finding the Third Proportional to 29,166 and 63,678

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Solution

The third proportional to 29,166 and 63,678 is: 139,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,166 : 63,678 = 63,678 : x
  2. Step 2: Convert to fraction form
    29,166/63,678 = 63,678/x
  3. Step 3: Cross multiply
    29,166x = 63,678 × 63,678
  4. Step 4: Simplify right side
    29,166x = 4,054,887,684
  5. Step 5: Solve for x
    x = 4,054,887,684/29,166
  6. Step 6: Final answer
    x = 139,027.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.