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Finding the Third Proportional to 171,246 and 272,730

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Solution

The third proportional to 171,246 and 272,730 is: 434,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,246 : 272,730 = 272,730 : x
  2. Step 2: Convert to fraction form
    171,246/272,730 = 272,730/x
  3. Step 3: Cross multiply
    171,246x = 272,730 × 272,730
  4. Step 4: Simplify right side
    171,246x = 74,381,652,900
  5. Step 5: Solve for x
    x = 74,381,652,900/171,246
  6. Step 6: Final answer
    x = 434,355.56

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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.