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Finding the Third Proportional to 5,670 and 12,458.81

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Solution

The third proportional to 5,670 and 12,458.81 is: 27,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670 : 12,458.81 = 12,458.81 : x
  2. Step 2: Convert to fraction form
    5,670/12,458.81 = 12,458.81/x
  3. Step 3: Cross multiply
    5,670x = 12,458.81 × 12,458.81
  4. Step 4: Simplify right side
    5,670x = 155,222,008.91
  5. Step 5: Solve for x
    x = 155,222,008.91/5,670
  6. Step 6: Final answer
    x = 27,376.02

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.