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Finding the Third Proportional to 3,123 and 6,775.88

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Solution

The third proportional to 3,123 and 6,775.88 is: 14,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123 : 6,775.88 = 6,775.88 : x
  2. Step 2: Convert to fraction form
    3,123/6,775.88 = 6,775.88/x
  3. Step 3: Cross multiply
    3,123x = 6,775.88 × 6,775.88
  4. Step 4: Simplify right side
    3,123x = 45,912,482.02
  5. Step 5: Solve for x
    x = 45,912,482.02/3,123
  6. Step 6: Final answer
    x = 14,701.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.