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Finding the Third Proportional to 272,856 and 559,236

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Solution

The third proportional to 272,856 and 559,236 is: 1,146,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,856 : 559,236 = 559,236 : x
  2. Step 2: Convert to fraction form
    272,856/559,236 = 559,236/x
  3. Step 3: Cross multiply
    272,856x = 559,236 × 559,236
  4. Step 4: Simplify right side
    272,856x = 312,744,903,696
  5. Step 5: Solve for x
    x = 312,744,903,696/272,856
  6. Step 6: Final answer
    x = 1,146,190.31

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.