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Finding the Third Proportional to 10,458 and 11,754

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Solution

The third proportional to 10,458 and 11,754 is: 13,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458 : 11,754 = 11,754 : x
  2. Step 2: Convert to fraction form
    10,458/11,754 = 11,754/x
  3. Step 3: Cross multiply
    10,458x = 11,754 × 11,754
  4. Step 4: Simplify right side
    10,458x = 138,156,516
  5. Step 5: Solve for x
    x = 138,156,516/10,458
  6. Step 6: Final answer
    x = 13,210.61

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.