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Finding the Third Proportional to 8,734.50 and 12,347

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Solution

The third proportional to 8,734.50 and 12,347 is: 17,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.50 : 12,347 = 12,347 : x
  2. Step 2: Convert to fraction form
    8,734.50/12,347 = 12,347/x
  3. Step 3: Cross multiply
    8,734.50x = 12,347 × 12,347
  4. Step 4: Simplify right side
    8,734.50x = 152,448,409
  5. Step 5: Solve for x
    x = 152,448,409/8,734.50
  6. Step 6: Final answer
    x = 17,453.59

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.