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Finding the Third Proportional to 74,011.50 and 100,325.25

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Solution

The third proportional to 74,011.50 and 100,325.25 is: 135,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,011.50 : 100,325.25 = 100,325.25 : x
  2. Step 2: Convert to fraction form
    74,011.50/100,325.25 = 100,325.25/x
  3. Step 3: Cross multiply
    74,011.50x = 100,325.25 × 100,325.25
  4. Step 4: Simplify right side
    74,011.50x = 10,065,155,787.56
  5. Step 5: Solve for x
    x = 10,065,155,787.56/74,011.50
  6. Step 6: Final answer
    x = 135,994.48

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.