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Finding the Third Proportional to 114,678 and 168,645

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Solution

The third proportional to 114,678 and 168,645 is: 248,008.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,678 : 168,645 = 168,645 : x
  2. Step 2: Convert to fraction form
    114,678/168,645 = 168,645/x
  3. Step 3: Cross multiply
    114,678x = 168,645 × 168,645
  4. Step 4: Simplify right side
    114,678x = 28,441,136,025
  5. Step 5: Solve for x
    x = 28,441,136,025/114,678
  6. Step 6: Final answer
    x = 248,008.65

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.