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Finding the Third Proportional to 13,011 and 14,931

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Solution

The third proportional to 13,011 and 14,931 is: 17,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011 : 14,931 = 14,931 : x
  2. Step 2: Convert to fraction form
    13,011/14,931 = 14,931/x
  3. Step 3: Cross multiply
    13,011x = 14,931 × 14,931
  4. Step 4: Simplify right side
    13,011x = 222,934,761
  5. Step 5: Solve for x
    x = 222,934,761/13,011
  6. Step 6: Final answer
    x = 17,134.33

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.