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Finding the Third Proportional to 11,890 and 14,050

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Solution

The third proportional to 11,890 and 14,050 is: 16,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890 : 14,050 = 14,050 : x
  2. Step 2: Convert to fraction form
    11,890/14,050 = 14,050/x
  3. Step 3: Cross multiply
    11,890x = 14,050 × 14,050
  4. Step 4: Simplify right side
    11,890x = 197,402,500
  5. Step 5: Solve for x
    x = 197,402,500/11,890
  6. Step 6: Final answer
    x = 16,602.40

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.