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Finding the Third Proportional to 6,979.50 and 14,927.63

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Solution

The third proportional to 6,979.50 and 14,927.63 is: 31,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.50 : 14,927.63 = 14,927.63 : x
  2. Step 2: Convert to fraction form
    6,979.50/14,927.63 = 14,927.63/x
  3. Step 3: Cross multiply
    6,979.50x = 14,927.63 × 14,927.63
  4. Step 4: Simplify right side
    6,979.50x = 222,833,988.14
  5. Step 5: Solve for x
    x = 222,833,988.14/6,979.50
  6. Step 6: Final answer
    x = 31,926.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.