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Finding the Third Proportional to 24,988.50 and 51,390

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Solution

The third proportional to 24,988.50 and 51,390 is: 105,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,988.50 : 51,390 = 51,390 : x
  2. Step 2: Convert to fraction form
    24,988.50/51,390 = 51,390/x
  3. Step 3: Cross multiply
    24,988.50x = 51,390 × 51,390
  4. Step 4: Simplify right side
    24,988.50x = 2,640,932,100
  5. Step 5: Solve for x
    x = 2,640,932,100/24,988.50
  6. Step 6: Final answer
    x = 105,685.90

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.