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Finding the Third Proportional to 104,872.50 and 157,320

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Solution

The third proportional to 104,872.50 and 157,320 is: 235,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,872.50 : 157,320 = 157,320 : x
  2. Step 2: Convert to fraction form
    104,872.50/157,320 = 157,320/x
  3. Step 3: Cross multiply
    104,872.50x = 157,320 × 157,320
  4. Step 4: Simplify right side
    104,872.50x = 24,749,582,400
  5. Step 5: Solve for x
    x = 24,749,582,400/104,872.50
  6. Step 6: Final answer
    x = 235,996.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.