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Finding the Third Proportional to 242,175.50 and 332,442

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Solution

The third proportional to 242,175.50 and 332,442 is: 456,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,175.50 : 332,442 = 332,442 : x
  2. Step 2: Convert to fraction form
    242,175.50/332,442 = 332,442/x
  3. Step 3: Cross multiply
    242,175.50x = 332,442 × 332,442
  4. Step 4: Simplify right side
    242,175.50x = 110,517,683,364
  5. Step 5: Solve for x
    x = 110,517,683,364/242,175.50
  6. Step 6: Final answer
    x = 456,353.69

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.