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Finding the Third Proportional to 174,950 and 278,515

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Solution

The third proportional to 174,950 and 278,515 is: 443,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,950 : 278,515 = 278,515 : x
  2. Step 2: Convert to fraction form
    174,950/278,515 = 278,515/x
  3. Step 3: Cross multiply
    174,950x = 278,515 × 278,515
  4. Step 4: Simplify right side
    174,950x = 77,570,605,225
  5. Step 5: Solve for x
    x = 77,570,605,225/174,950
  6. Step 6: Final answer
    x = 443,387.28

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.