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Finding the Third Proportional to 3,159.50 and 4,955.88

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Solution

The third proportional to 3,159.50 and 4,955.88 is: 7,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.50 : 4,955.88 = 4,955.88 : x
  2. Step 2: Convert to fraction form
    3,159.50/4,955.88 = 4,955.88/x
  3. Step 3: Cross multiply
    3,159.50x = 4,955.88 × 4,955.88
  4. Step 4: Simplify right side
    3,159.50x = 24,560,697.02
  5. Step 5: Solve for x
    x = 24,560,697.02/3,159.50
  6. Step 6: Final answer
    x = 7,773.60

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.