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Finding the Third Proportional to 13,112 and 19,670

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Solution

The third proportional to 13,112 and 19,670 is: 29,508.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112 : 19,670 = 19,670 : x
  2. Step 2: Convert to fraction form
    13,112/19,670 = 19,670/x
  3. Step 3: Cross multiply
    13,112x = 19,670 × 19,670
  4. Step 4: Simplify right side
    13,112x = 386,908,900
  5. Step 5: Solve for x
    x = 386,908,900/13,112
  6. Step 6: Final answer
    x = 29,508.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.