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Finding the Third Proportional to 15,357.73 and 23,177.55

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Solution

The third proportional to 15,357.73 and 23,177.55 is: 34,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,357.73 : 23,177.55 = 23,177.55 : x
  2. Step 2: Convert to fraction form
    15,357.73/23,177.55 = 23,177.55/x
  3. Step 3: Cross multiply
    15,357.73x = 23,177.55 × 23,177.55
  4. Step 4: Simplify right side
    15,357.73x = 537,198,769.68
  5. Step 5: Solve for x
    x = 537,198,769.68/15,357.73
  6. Step 6: Final answer
    x = 34,979.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.