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Finding the Third Proportional to 3,720.38 and 4,962.94

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Solution

The third proportional to 3,720.38 and 4,962.94 is: 6,620.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.38 : 4,962.94 = 4,962.94 : x
  2. Step 2: Convert to fraction form
    3,720.38/4,962.94 = 4,962.94/x
  3. Step 3: Cross multiply
    3,720.38x = 4,962.94 × 4,962.94
  4. Step 4: Simplify right side
    3,720.38x = 24,630,748.63
  5. Step 5: Solve for x
    x = 24,630,748.63/3,720.38
  6. Step 6: Final answer
    x = 6,620.50

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.