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Finding the Third Proportional to 75,310.50 and 155,541

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Solution

The third proportional to 75,310.50 and 155,541 is: 321,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,310.50 : 155,541 = 155,541 : x
  2. Step 2: Convert to fraction form
    75,310.50/155,541 = 155,541/x
  3. Step 3: Cross multiply
    75,310.50x = 155,541 × 155,541
  4. Step 4: Simplify right side
    75,310.50x = 24,193,002,681
  5. Step 5: Solve for x
    x = 24,193,002,681/75,310.50
  6. Step 6: Final answer
    x = 321,243.42

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.