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Finding the Third Proportional to 52,865.50 and 79,281

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Solution

The third proportional to 52,865.50 and 79,281 is: 118,895.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,865.50 : 79,281 = 79,281 : x
  2. Step 2: Convert to fraction form
    52,865.50/79,281 = 79,281/x
  3. Step 3: Cross multiply
    52,865.50x = 79,281 × 79,281
  4. Step 4: Simplify right side
    52,865.50x = 6,285,476,961
  5. Step 5: Solve for x
    x = 6,285,476,961/52,865.50
  6. Step 6: Final answer
    x = 118,895.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.