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Finding the Third Proportional to 8,659.50 and 18,352.50

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Solution

The third proportional to 8,659.50 and 18,352.50 is: 38,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.50 : 18,352.50 = 18,352.50 : x
  2. Step 2: Convert to fraction form
    8,659.50/18,352.50 = 18,352.50/x
  3. Step 3: Cross multiply
    8,659.50x = 18,352.50 × 18,352.50
  4. Step 4: Simplify right side
    8,659.50x = 336,814,256.25
  5. Step 5: Solve for x
    x = 336,814,256.25/8,659.50
  6. Step 6: Final answer
    x = 38,895.35

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.