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Finding the Third Proportional to 5,912.25 and 9,155.25

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Solution

The third proportional to 5,912.25 and 9,155.25 is: 14,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.25 : 9,155.25 = 9,155.25 : x
  2. Step 2: Convert to fraction form
    5,912.25/9,155.25 = 9,155.25/x
  3. Step 3: Cross multiply
    5,912.25x = 9,155.25 × 9,155.25
  4. Step 4: Simplify right side
    5,912.25x = 83,818,602.56
  5. Step 5: Solve for x
    x = 83,818,602.56/5,912.25
  6. Step 6: Final answer
    x = 14,177.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.