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Finding the Third Proportional to 14,958 and 20,959

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Solution

The third proportional to 14,958 and 20,959 is: 29,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958 : 20,959 = 20,959 : x
  2. Step 2: Convert to fraction form
    14,958/20,959 = 20,959/x
  3. Step 3: Cross multiply
    14,958x = 20,959 × 20,959
  4. Step 4: Simplify right side
    14,958x = 439,279,681
  5. Step 5: Solve for x
    x = 439,279,681/14,958
  6. Step 6: Final answer
    x = 29,367.54

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.