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Finding the Third Proportional to 728,016 and 1,102,200

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Solution

The third proportional to 728,016 and 1,102,200 is: 1,668,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,016 : 1,102,200 = 1,102,200 : x
  2. Step 2: Convert to fraction form
    728,016/1,102,200 = 1,102,200/x
  3. Step 3: Cross multiply
    728,016x = 1,102,200 × 1,102,200
  4. Step 4: Simplify right side
    728,016x = 1,214,844,840,000
  5. Step 5: Solve for x
    x = 1,214,844,840,000/728,016
  6. Step 6: Final answer
    x = 1,668,706.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.