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Finding the Third Proportional to 171,235 and 272,707

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Solution

The third proportional to 171,235 and 272,707 is: 434,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,235 : 272,707 = 272,707 : x
  2. Step 2: Convert to fraction form
    171,235/272,707 = 272,707/x
  3. Step 3: Cross multiply
    171,235x = 272,707 × 272,707
  4. Step 4: Simplify right side
    171,235x = 74,369,107,849
  5. Step 5: Solve for x
    x = 74,369,107,849/171,235
  6. Step 6: Final answer
    x = 434,310.20

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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.