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Finding the Third Proportional to 13,165.50 and 28,518

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Solution

The third proportional to 13,165.50 and 28,518 is: 61,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.50 : 28,518 = 28,518 : x
  2. Step 2: Convert to fraction form
    13,165.50/28,518 = 28,518/x
  3. Step 3: Cross multiply
    13,165.50x = 28,518 × 28,518
  4. Step 4: Simplify right side
    13,165.50x = 813,276,324
  5. Step 5: Solve for x
    x = 813,276,324/13,165.50
  6. Step 6: Final answer
    x = 61,773.30

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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.