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Finding the Third Proportional to 221,951 and 347,808

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Solution

The third proportional to 221,951 and 347,808 is: 545,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,951 : 347,808 = 347,808 : x
  2. Step 2: Convert to fraction form
    221,951/347,808 = 347,808/x
  3. Step 3: Cross multiply
    221,951x = 347,808 × 347,808
  4. Step 4: Simplify right side
    221,951x = 120,970,404,864
  5. Step 5: Solve for x
    x = 120,970,404,864/221,951
  6. Step 6: Final answer
    x = 545,032.03

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.