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Finding the Third Proportional to 15,106 and 16,564

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Solution

The third proportional to 15,106 and 16,564 is: 18,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106 : 16,564 = 16,564 : x
  2. Step 2: Convert to fraction form
    15,106/16,564 = 16,564/x
  3. Step 3: Cross multiply
    15,106x = 16,564 × 16,564
  4. Step 4: Simplify right side
    15,106x = 274,366,096
  5. Step 5: Solve for x
    x = 274,366,096/15,106
  6. Step 6: Final answer
    x = 18,162.72

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.