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Finding the Third Proportional to 1,765.55 and 3,795.61

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Solution

The third proportional to 1,765.55 and 3,795.61 is: 8,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.55 : 3,795.61 = 3,795.61 : x
  2. Step 2: Convert to fraction form
    1,765.55/3,795.61 = 3,795.61/x
  3. Step 3: Cross multiply
    1,765.55x = 3,795.61 × 3,795.61
  4. Step 4: Simplify right side
    1,765.55x = 14,406,650.53
  5. Step 5: Solve for x
    x = 14,406,650.53/1,765.55
  6. Step 6: Final answer
    x = 8,159.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.