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Finding the Third Proportional to 12,147.50 and 26,620

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Solution

The third proportional to 12,147.50 and 26,620 is: 58,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147.50 : 26,620 = 26,620 : x
  2. Step 2: Convert to fraction form
    12,147.50/26,620 = 26,620/x
  3. Step 3: Cross multiply
    12,147.50x = 26,620 × 26,620
  4. Step 4: Simplify right side
    12,147.50x = 708,624,400
  5. Step 5: Solve for x
    x = 708,624,400/12,147.50
  6. Step 6: Final answer
    x = 58,335.00

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.