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Finding the Third Proportional to 13,219.50 and 28,617

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Solution

The third proportional to 13,219.50 and 28,617 is: 61,948.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.50 : 28,617 = 28,617 : x
  2. Step 2: Convert to fraction form
    13,219.50/28,617 = 28,617/x
  3. Step 3: Cross multiply
    13,219.50x = 28,617 × 28,617
  4. Step 4: Simplify right side
    13,219.50x = 818,932,689
  5. Step 5: Solve for x
    x = 818,932,689/13,219.50
  6. Step 6: Final answer
    x = 61,948.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.