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Finding the Third Proportional to 76,554 and 168,984

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Solution

The third proportional to 76,554 and 168,984 is: 373,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,554 : 168,984 = 168,984 : x
  2. Step 2: Convert to fraction form
    76,554/168,984 = 168,984/x
  3. Step 3: Cross multiply
    76,554x = 168,984 × 168,984
  4. Step 4: Simplify right side
    76,554x = 28,555,592,256
  5. Step 5: Solve for x
    x = 28,555,592,256/76,554
  6. Step 6: Final answer
    x = 373,012.41

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.