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Finding the Third Proportional to 1,892,865 and 4,128,292.50

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Solution

The third proportional to 1,892,865 and 4,128,292.50 is: 9,003,705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,865 : 4,128,292.50 = 4,128,292.50 : x
  2. Step 2: Convert to fraction form
    1,892,865/4,128,292.50 = 4,128,292.50/x
  3. Step 3: Cross multiply
    1,892,865x = 4,128,292.50 × 4,128,292.50
  4. Step 4: Simplify right side
    1,892,865x = 17,042,798,965,556.25
  5. Step 5: Solve for x
    x = 17,042,798,965,556.25/1,892,865
  6. Step 6: Final answer
    x = 9,003,705.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.