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Finding the Third Proportional to 100,383.75 and 218,263.50

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Solution

The third proportional to 100,383.75 and 218,263.50 is: 474,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,383.75 : 218,263.50 = 218,263.50 : x
  2. Step 2: Convert to fraction form
    100,383.75/218,263.50 = 218,263.50/x
  3. Step 3: Cross multiply
    100,383.75x = 218,263.50 × 218,263.50
  4. Step 4: Simplify right side
    100,383.75x = 47,638,955,432.25
  5. Step 5: Solve for x
    x = 47,638,955,432.25/100,383.75
  6. Step 6: Final answer
    x = 474,568.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.