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Finding the Third Proportional to 8,955.50 and 15,355.50

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Solution

The third proportional to 8,955.50 and 15,355.50 is: 26,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.50 : 15,355.50 = 15,355.50 : x
  2. Step 2: Convert to fraction form
    8,955.50/15,355.50 = 15,355.50/x
  3. Step 3: Cross multiply
    8,955.50x = 15,355.50 × 15,355.50
  4. Step 4: Simplify right side
    8,955.50x = 235,791,380.25
  5. Step 5: Solve for x
    x = 235,791,380.25/8,955.50
  6. Step 6: Final answer
    x = 26,329.23

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.