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Finding the Third Proportional to 13,095 and 20,905.50

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Solution

The third proportional to 13,095 and 20,905.50 is: 33,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095 : 20,905.50 = 20,905.50 : x
  2. Step 2: Convert to fraction form
    13,095/20,905.50 = 20,905.50/x
  3. Step 3: Cross multiply
    13,095x = 20,905.50 × 20,905.50
  4. Step 4: Simplify right side
    13,095x = 437,039,930.25
  5. Step 5: Solve for x
    x = 437,039,930.25/13,095
  6. Step 6: Final answer
    x = 33,374.57

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.