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Finding the Third Proportional to 7,016.63 and 9,742.78

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Solution

The third proportional to 7,016.63 and 9,742.78 is: 13,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016.63 : 9,742.78 = 9,742.78 : x
  2. Step 2: Convert to fraction form
    7,016.63/9,742.78 = 9,742.78/x
  3. Step 3: Cross multiply
    7,016.63x = 9,742.78 × 9,742.78
  4. Step 4: Simplify right side
    7,016.63x = 94,921,786.49
  5. Step 5: Solve for x
    x = 94,921,786.49/7,016.63
  6. Step 6: Final answer
    x = 13,528.13

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.