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Finding the Third Proportional to 855,038 and 1,806,628

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Solution

The third proportional to 855,038 and 1,806,628 is: 3,817,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,038 : 1,806,628 = 1,806,628 : x
  2. Step 2: Convert to fraction form
    855,038/1,806,628 = 1,806,628/x
  3. Step 3: Cross multiply
    855,038x = 1,806,628 × 1,806,628
  4. Step 4: Simplify right side
    855,038x = 3,263,904,730,384
  5. Step 5: Solve for x
    x = 3,263,904,730,384/855,038
  6. Step 6: Final answer
    x = 3,817,262.78

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.