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Finding the Third Proportional to 21,475.13 and 47,184.75

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Solution

The third proportional to 21,475.13 and 47,184.75 is: 103,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.13 : 47,184.75 = 47,184.75 : x
  2. Step 2: Convert to fraction form
    21,475.13/47,184.75 = 47,184.75/x
  3. Step 3: Cross multiply
    21,475.13x = 47,184.75 × 47,184.75
  4. Step 4: Simplify right side
    21,475.13x = 2,226,400,632.56
  5. Step 5: Solve for x
    x = 2,226,400,632.56/21,475.13
  6. Step 6: Final answer
    x = 103,673.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.