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Finding the Third Proportional to 562,728 and 1,214,240

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Solution

The third proportional to 562,728 and 1,214,240 is: 2,620,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,728 : 1,214,240 = 1,214,240 : x
  2. Step 2: Convert to fraction form
    562,728/1,214,240 = 1,214,240/x
  3. Step 3: Cross multiply
    562,728x = 1,214,240 × 1,214,240
  4. Step 4: Simplify right side
    562,728x = 1,474,378,777,600
  5. Step 5: Solve for x
    x = 1,474,378,777,600/562,728
  6. Step 6: Final answer
    x = 2,620,055.83

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.