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Finding the Third Proportional to 3,769 and 4,877.50

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Solution

The third proportional to 3,769 and 4,877.50 is: 6,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769 : 4,877.50 = 4,877.50 : x
  2. Step 2: Convert to fraction form
    3,769/4,877.50 = 4,877.50/x
  3. Step 3: Cross multiply
    3,769x = 4,877.50 × 4,877.50
  4. Step 4: Simplify right side
    3,769x = 23,790,006.25
  5. Step 5: Solve for x
    x = 23,790,006.25/3,769
  6. Step 6: Final answer
    x = 6,312.02

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.