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Finding the Third Proportional to 7,927.50 and 12,292

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Solution

The third proportional to 7,927.50 and 12,292 is: 19,059.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.50 : 12,292 = 12,292 : x
  2. Step 2: Convert to fraction form
    7,927.50/12,292 = 12,292/x
  3. Step 3: Cross multiply
    7,927.50x = 12,292 × 12,292
  4. Step 4: Simplify right side
    7,927.50x = 151,093,264
  5. Step 5: Solve for x
    x = 151,093,264/7,927.50
  6. Step 6: Final answer
    x = 19,059.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.