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Finding the Third Proportional to 7,455 and 13,816.50

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Solution

The third proportional to 7,455 and 13,816.50 is: 25,606.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455 : 13,816.50 = 13,816.50 : x
  2. Step 2: Convert to fraction form
    7,455/13,816.50 = 13,816.50/x
  3. Step 3: Cross multiply
    7,455x = 13,816.50 × 13,816.50
  4. Step 4: Simplify right side
    7,455x = 190,895,672.25
  5. Step 5: Solve for x
    x = 190,895,672.25/7,455
  6. Step 6: Final answer
    x = 25,606.39

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.