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Finding the Third Proportional to 117,621 and 177,526.50

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Solution

The third proportional to 117,621 and 177,526.50 is: 267,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,621 : 177,526.50 = 177,526.50 : x
  2. Step 2: Convert to fraction form
    117,621/177,526.50 = 177,526.50/x
  3. Step 3: Cross multiply
    117,621x = 177,526.50 × 177,526.50
  4. Step 4: Simplify right side
    117,621x = 31,515,658,202.25
  5. Step 5: Solve for x
    x = 31,515,658,202.25/117,621
  6. Step 6: Final answer
    x = 267,942.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.