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Finding the Third Proportional to 7,512 and 11,701.50

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Solution

The third proportional to 7,512 and 11,701.50 is: 18,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512 : 11,701.50 = 11,701.50 : x
  2. Step 2: Convert to fraction form
    7,512/11,701.50 = 11,701.50/x
  3. Step 3: Cross multiply
    7,512x = 11,701.50 × 11,701.50
  4. Step 4: Simplify right side
    7,512x = 136,925,102.25
  5. Step 5: Solve for x
    x = 136,925,102.25/7,512
  6. Step 6: Final answer
    x = 18,227.52

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.