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Finding the Third Proportional to 245,621 and 366,910

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Solution

The third proportional to 245,621 and 366,910 is: 548,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,621 : 366,910 = 366,910 : x
  2. Step 2: Convert to fraction form
    245,621/366,910 = 366,910/x
  3. Step 3: Cross multiply
    245,621x = 366,910 × 366,910
  4. Step 4: Simplify right side
    245,621x = 134,622,948,100
  5. Step 5: Solve for x
    x = 134,622,948,100/245,621
  6. Step 6: Final answer
    x = 548,092.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.