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Finding the Third Proportional to 120,596 and 177,280

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Solution

The third proportional to 120,596 and 177,280 is: 260,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,596 : 177,280 = 177,280 : x
  2. Step 2: Convert to fraction form
    120,596/177,280 = 177,280/x
  3. Step 3: Cross multiply
    120,596x = 177,280 × 177,280
  4. Step 4: Simplify right side
    120,596x = 31,428,198,400
  5. Step 5: Solve for x
    x = 31,428,198,400/120,596
  6. Step 6: Final answer
    x = 260,607.30

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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.