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Finding the Third Proportional to 7,454.63 and 15,771.38

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Solution

The third proportional to 7,454.63 and 15,771.38 is: 33,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.63 : 15,771.38 = 15,771.38 : x
  2. Step 2: Convert to fraction form
    7,454.63/15,771.38 = 15,771.38/x
  3. Step 3: Cross multiply
    7,454.63x = 15,771.38 × 15,771.38
  4. Step 4: Simplify right side
    7,454.63x = 248,736,269.39
  5. Step 5: Solve for x
    x = 248,736,269.39/7,454.63
  6. Step 6: Final answer
    x = 33,366.70

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.