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Finding the Third Proportional to 120,604.50 and 177,291

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Solution

The third proportional to 120,604.50 and 177,291 is: 260,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,604.50 : 177,291 = 177,291 : x
  2. Step 2: Convert to fraction form
    120,604.50/177,291 = 177,291/x
  3. Step 3: Cross multiply
    120,604.50x = 177,291 × 177,291
  4. Step 4: Simplify right side
    120,604.50x = 31,432,098,681
  5. Step 5: Solve for x
    x = 31,432,098,681/120,604.50
  6. Step 6: Final answer
    x = 260,621.28

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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.