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Finding the Third Proportional to 13,359.75 and 29,385.75

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Solution

The third proportional to 13,359.75 and 29,385.75 is: 64,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.75 : 29,385.75 = 29,385.75 : x
  2. Step 2: Convert to fraction form
    13,359.75/29,385.75 = 29,385.75/x
  3. Step 3: Cross multiply
    13,359.75x = 29,385.75 × 29,385.75
  4. Step 4: Simplify right side
    13,359.75x = 863,522,303.06
  5. Step 5: Solve for x
    x = 863,522,303.06/13,359.75
  6. Step 6: Final answer
    x = 64,636.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.