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Finding the Third Proportional to 1,661,985.50 and 3,572,249

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Solution

The third proportional to 1,661,985.50 and 3,572,249 is: 7,678,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,985.50 : 3,572,249 = 3,572,249 : x
  2. Step 2: Convert to fraction form
    1,661,985.50/3,572,249 = 3,572,249/x
  3. Step 3: Cross multiply
    1,661,985.50x = 3,572,249 × 3,572,249
  4. Step 4: Simplify right side
    1,661,985.50x = 12,760,962,918,001
  5. Step 5: Solve for x
    x = 12,760,962,918,001/1,661,985.50
  6. Step 6: Final answer
    x = 7,678,143.35

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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.