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Finding the Third Proportional to 10,913 and 16,937

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Solution

The third proportional to 10,913 and 16,937 is: 26,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913 : 16,937 = 16,937 : x
  2. Step 2: Convert to fraction form
    10,913/16,937 = 16,937/x
  3. Step 3: Cross multiply
    10,913x = 16,937 × 16,937
  4. Step 4: Simplify right side
    10,913x = 286,861,969
  5. Step 5: Solve for x
    x = 286,861,969/10,913
  6. Step 6: Final answer
    x = 26,286.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.