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Finding the Third Proportional to 14,812.19 and 20,958.80

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Solution

The third proportional to 14,812.19 and 20,958.80 is: 29,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812.19 : 20,958.80 = 20,958.80 : x
  2. Step 2: Convert to fraction form
    14,812.19/20,958.80 = 20,958.80/x
  3. Step 3: Cross multiply
    14,812.19x = 20,958.80 × 20,958.80
  4. Step 4: Simplify right side
    14,812.19x = 439,271,412.06
  5. Step 5: Solve for x
    x = 439,271,412.06/14,812.19
  6. Step 6: Final answer
    x = 29,656.08

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.