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Finding the Third Proportional to 515,630 and 1,110,249

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Solution

The third proportional to 515,630 and 1,110,249 is: 2,390,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,630 : 1,110,249 = 1,110,249 : x
  2. Step 2: Convert to fraction form
    515,630/1,110,249 = 1,110,249/x
  3. Step 3: Cross multiply
    515,630x = 1,110,249 × 1,110,249
  4. Step 4: Simplify right side
    515,630x = 1,232,652,842,001
  5. Step 5: Solve for x
    x = 1,232,652,842,001/515,630
  6. Step 6: Final answer
    x = 2,390,576.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.