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Finding the Third Proportional to 272,769 and 366,918

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Solution

The third proportional to 272,769 and 366,918 is: 493,563.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,769 : 366,918 = 366,918 : x
  2. Step 2: Convert to fraction form
    272,769/366,918 = 366,918/x
  3. Step 3: Cross multiply
    272,769x = 366,918 × 366,918
  4. Step 4: Simplify right side
    272,769x = 134,628,818,724
  5. Step 5: Solve for x
    x = 134,628,818,724/272,769
  6. Step 6: Final answer
    x = 493,563.49

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.