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Finding the Third Proportional to 19,212.19 and 25,902.28

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Solution

The third proportional to 19,212.19 and 25,902.28 is: 34,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.19 : 25,902.28 = 25,902.28 : x
  2. Step 2: Convert to fraction form
    19,212.19/25,902.28 = 25,902.28/x
  3. Step 3: Cross multiply
    19,212.19x = 25,902.28 × 25,902.28
  4. Step 4: Simplify right side
    19,212.19x = 670,928,173.95
  5. Step 5: Solve for x
    x = 670,928,173.95/19,212.19
  6. Step 6: Final answer
    x = 34,922.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.