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Finding the Third Proportional to 1,661,638.50 and 3,553,560

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Solution

The third proportional to 1,661,638.50 and 3,553,560 is: 7,599,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,638.50 : 3,553,560 = 3,553,560 : x
  2. Step 2: Convert to fraction form
    1,661,638.50/3,553,560 = 3,553,560/x
  3. Step 3: Cross multiply
    1,661,638.50x = 3,553,560 × 3,553,560
  4. Step 4: Simplify right side
    1,661,638.50x = 12,627,788,673,600
  5. Step 5: Solve for x
    x = 12,627,788,673,600/1,661,638.50
  6. Step 6: Final answer
    x = 7,599,600.44

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.