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Finding the Third Proportional to 171,229 and 272,700

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Solution

The third proportional to 171,229 and 272,700 is: 434,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,229 : 272,700 = 272,700 : x
  2. Step 2: Convert to fraction form
    171,229/272,700 = 272,700/x
  3. Step 3: Cross multiply
    171,229x = 272,700 × 272,700
  4. Step 4: Simplify right side
    171,229x = 74,365,290,000
  5. Step 5: Solve for x
    x = 74,365,290,000/171,229
  6. Step 6: Final answer
    x = 434,303.13

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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.