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Finding the Third Proportional to 4,665 and 8,017.50

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Solution

The third proportional to 4,665 and 8,017.50 is: 13,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665 : 8,017.50 = 8,017.50 : x
  2. Step 2: Convert to fraction form
    4,665/8,017.50 = 8,017.50/x
  3. Step 3: Cross multiply
    4,665x = 8,017.50 × 8,017.50
  4. Step 4: Simplify right side
    4,665x = 64,280,306.25
  5. Step 5: Solve for x
    x = 64,280,306.25/4,665
  6. Step 6: Final answer
    x = 13,779.27

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Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.