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Finding the Third Proportional to 7,697.11 and 11,528.58

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Solution

The third proportional to 7,697.11 and 11,528.58 is: 17,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,697.11 : 11,528.58 = 11,528.58 : x
  2. Step 2: Convert to fraction form
    7,697.11/11,528.58 = 11,528.58/x
  3. Step 3: Cross multiply
    7,697.11x = 11,528.58 × 11,528.58
  4. Step 4: Simplify right side
    7,697.11x = 132,908,113.58
  5. Step 5: Solve for x
    x = 132,908,113.58/7,697.11
  6. Step 6: Final answer
    x = 17,267.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.