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Finding the Third Proportional to 12,486 and 16,572

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Solution

The third proportional to 12,486 and 16,572 is: 21,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486 : 16,572 = 16,572 : x
  2. Step 2: Convert to fraction form
    12,486/16,572 = 16,572/x
  3. Step 3: Cross multiply
    12,486x = 16,572 × 16,572
  4. Step 4: Simplify right side
    12,486x = 274,631,184
  5. Step 5: Solve for x
    x = 274,631,184/12,486
  6. Step 6: Final answer
    x = 21,995.13

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.