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Finding the Third Proportional to 9,713.25 and 21,156.19

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Solution

The third proportional to 9,713.25 and 21,156.19 is: 46,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,713.25 : 21,156.19 = 21,156.19 : x
  2. Step 2: Convert to fraction form
    9,713.25/21,156.19 = 21,156.19/x
  3. Step 3: Cross multiply
    9,713.25x = 21,156.19 × 21,156.19
  4. Step 4: Simplify right side
    9,713.25x = 447,584,269.54
  5. Step 5: Solve for x
    x = 447,584,269.54/9,713.25
  6. Step 6: Final answer
    x = 46,079.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.