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Finding the Third Proportional to 1,677,892.50 and 3,635,721

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Solution

The third proportional to 1,677,892.50 and 3,635,721 is: 7,878,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,892.50 : 3,635,721 = 3,635,721 : x
  2. Step 2: Convert to fraction form
    1,677,892.50/3,635,721 = 3,635,721/x
  3. Step 3: Cross multiply
    1,677,892.50x = 3,635,721 × 3,635,721
  4. Step 4: Simplify right side
    1,677,892.50x = 13,218,467,189,841
  5. Step 5: Solve for x
    x = 13,218,467,189,841/1,677,892.50
  6. Step 6: Final answer
    x = 7,878,017.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.