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Finding the Third Proportional to 1,499,638.50 and 3,220,893

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Solution

The third proportional to 1,499,638.50 and 3,220,893 is: 6,917,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,638.50 : 3,220,893 = 3,220,893 : x
  2. Step 2: Convert to fraction form
    1,499,638.50/3,220,893 = 3,220,893/x
  3. Step 3: Cross multiply
    1,499,638.50x = 3,220,893 × 3,220,893
  4. Step 4: Simplify right side
    1,499,638.50x = 10,374,151,717,449
  5. Step 5: Solve for x
    x = 10,374,151,717,449/1,499,638.50
  6. Step 6: Final answer
    x = 6,917,768.33

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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.