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Finding the Third Proportional to 77,996 and 168,445.75

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Solution

The third proportional to 77,996 and 168,445.75 is: 363,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996 : 168,445.75 = 168,445.75 : x
  2. Step 2: Convert to fraction form
    77,996/168,445.75 = 168,445.75/x
  3. Step 3: Cross multiply
    77,996x = 168,445.75 × 168,445.75
  4. Step 4: Simplify right side
    77,996x = 28,373,970,693.06
  5. Step 5: Solve for x
    x = 28,373,970,693.06/77,996
  6. Step 6: Final answer
    x = 363,787.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.