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Finding the Third Proportional to 9,924 and 14,130

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Solution

The third proportional to 9,924 and 14,130 is: 20,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924 : 14,130 = 14,130 : x
  2. Step 2: Convert to fraction form
    9,924/14,130 = 14,130/x
  3. Step 3: Cross multiply
    9,924x = 14,130 × 14,130
  4. Step 4: Simplify right side
    9,924x = 199,656,900
  5. Step 5: Solve for x
    x = 199,656,900/9,924
  6. Step 6: Final answer
    x = 20,118.59

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.