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Finding the Third Proportional to 11,580 and 16,438

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Solution

The third proportional to 11,580 and 16,438 is: 23,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580 : 16,438 = 16,438 : x
  2. Step 2: Convert to fraction form
    11,580/16,438 = 16,438/x
  3. Step 3: Cross multiply
    11,580x = 16,438 × 16,438
  4. Step 4: Simplify right side
    11,580x = 270,207,844
  5. Step 5: Solve for x
    x = 270,207,844/11,580
  6. Step 6: Final answer
    x = 23,334.01

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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.