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Finding the Third Proportional to 8,563.50 and 11,559

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Solution

The third proportional to 8,563.50 and 11,559 is: 15,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.50 : 11,559 = 11,559 : x
  2. Step 2: Convert to fraction form
    8,563.50/11,559 = 11,559/x
  3. Step 3: Cross multiply
    8,563.50x = 11,559 × 11,559
  4. Step 4: Simplify right side
    8,563.50x = 133,610,481
  5. Step 5: Solve for x
    x = 133,610,481/8,563.50
  6. Step 6: Final answer
    x = 15,602.32

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.