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Finding the Third Proportional to 9,555 and 14,338.50

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Solution

The third proportional to 9,555 and 14,338.50 is: 21,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555 : 14,338.50 = 14,338.50 : x
  2. Step 2: Convert to fraction form
    9,555/14,338.50 = 14,338.50/x
  3. Step 3: Cross multiply
    9,555x = 14,338.50 × 14,338.50
  4. Step 4: Simplify right side
    9,555x = 205,592,582.25
  5. Step 5: Solve for x
    x = 205,592,582.25/9,555
  6. Step 6: Final answer
    x = 21,516.75

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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.