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Finding the Third Proportional to 100,568.25 and 212,800.50

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Solution

The third proportional to 100,568.25 and 212,800.50 is: 450,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,568.25 : 212,800.50 = 212,800.50 : x
  2. Step 2: Convert to fraction form
    100,568.25/212,800.50 = 212,800.50/x
  3. Step 3: Cross multiply
    100,568.25x = 212,800.50 × 212,800.50
  4. Step 4: Simplify right side
    100,568.25x = 45,284,052,800.25
  5. Step 5: Solve for x
    x = 45,284,052,800.25/100,568.25
  6. Step 6: Final answer
    x = 450,281.80

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.