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Finding the Third Proportional to 8,964 and 13,479

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Solution

The third proportional to 8,964 and 13,479 is: 20,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964 : 13,479 = 13,479 : x
  2. Step 2: Convert to fraction form
    8,964/13,479 = 13,479/x
  3. Step 3: Cross multiply
    8,964x = 13,479 × 13,479
  4. Step 4: Simplify right side
    8,964x = 181,683,441
  5. Step 5: Solve for x
    x = 181,683,441/8,964
  6. Step 6: Final answer
    x = 20,268.12

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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.