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Finding the Third Proportional to 10,664 and 15,076

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Solution

The third proportional to 10,664 and 15,076 is: 21,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664 : 15,076 = 15,076 : x
  2. Step 2: Convert to fraction form
    10,664/15,076 = 15,076/x
  3. Step 3: Cross multiply
    10,664x = 15,076 × 15,076
  4. Step 4: Simplify right side
    10,664x = 227,285,776
  5. Step 5: Solve for x
    x = 227,285,776/10,664
  6. Step 6: Final answer
    x = 21,313.37

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.