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Finding the Third Proportional to 10,930 and 14,772

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Solution

The third proportional to 10,930 and 14,772 is: 19,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930 : 14,772 = 14,772 : x
  2. Step 2: Convert to fraction form
    10,930/14,772 = 14,772/x
  3. Step 3: Cross multiply
    10,930x = 14,772 × 14,772
  4. Step 4: Simplify right side
    10,930x = 218,211,984
  5. Step 5: Solve for x
    x = 218,211,984/10,930
  6. Step 6: Final answer
    x = 19,964.50

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.