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Finding the Third Proportional to 221,919.75 and 314,011.69

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Solution

The third proportional to 221,919.75 and 314,011.69 is: 444,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,919.75 : 314,011.69 = 314,011.69 : x
  2. Step 2: Convert to fraction form
    221,919.75/314,011.69 = 314,011.69/x
  3. Step 3: Cross multiply
    221,919.75x = 314,011.69 × 314,011.69
  4. Step 4: Simplify right side
    221,919.75x = 98,603,339,886.60
  5. Step 5: Solve for x
    x = 98,603,339,886.60/221,919.75
  6. Step 6: Final answer
    x = 444,319.80

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.