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Finding the Third Proportional to 9,621.28 and 14,393.53

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Solution

The third proportional to 9,621.28 and 14,393.53 is: 21,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.28 : 14,393.53 = 14,393.53 : x
  2. Step 2: Convert to fraction form
    9,621.28/14,393.53 = 14,393.53/x
  3. Step 3: Cross multiply
    9,621.28x = 14,393.53 × 14,393.53
  4. Step 4: Simplify right side
    9,621.28x = 207,173,741.84
  5. Step 5: Solve for x
    x = 207,173,741.84/9,621.28
  6. Step 6: Final answer
    x = 21,532.86

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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.