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Finding the Third Proportional to 1,677 and 3,860.50

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Solution

The third proportional to 1,677 and 3,860.50 is: 8,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677 : 3,860.50 = 3,860.50 : x
  2. Step 2: Convert to fraction form
    1,677/3,860.50 = 3,860.50/x
  3. Step 3: Cross multiply
    1,677x = 3,860.50 × 3,860.50
  4. Step 4: Simplify right side
    1,677x = 14,903,460.25
  5. Step 5: Solve for x
    x = 14,903,460.25/1,677
  6. Step 6: Final answer
    x = 8,886.98

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.