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Finding the Third Proportional to 80,528 and 120,600

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Solution

The third proportional to 80,528 and 120,600 is: 180,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,528 : 120,600 = 120,600 : x
  2. Step 2: Convert to fraction form
    80,528/120,600 = 120,600/x
  3. Step 3: Cross multiply
    80,528x = 120,600 × 120,600
  4. Step 4: Simplify right side
    80,528x = 14,544,360,000
  5. Step 5: Solve for x
    x = 14,544,360,000/80,528
  6. Step 6: Final answer
    x = 180,612.46

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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.