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Finding the Third Proportional to 21,332.75 and 29,406.75

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Solution

The third proportional to 21,332.75 and 29,406.75 is: 40,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.75 : 29,406.75 = 29,406.75 : x
  2. Step 2: Convert to fraction form
    21,332.75/29,406.75 = 29,406.75/x
  3. Step 3: Cross multiply
    21,332.75x = 29,406.75 × 29,406.75
  4. Step 4: Simplify right side
    21,332.75x = 864,756,945.56
  5. Step 5: Solve for x
    x = 864,756,945.56/21,332.75
  6. Step 6: Final answer
    x = 40,536.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.