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Finding the Third Proportional to 855,790 and 1,854,280

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Solution

The third proportional to 855,790 and 1,854,280 is: 4,017,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,790 : 1,854,280 = 1,854,280 : x
  2. Step 2: Convert to fraction form
    855,790/1,854,280 = 1,854,280/x
  3. Step 3: Cross multiply
    855,790x = 1,854,280 × 1,854,280
  4. Step 4: Simplify right side
    855,790x = 3,438,354,318,400
  5. Step 5: Solve for x
    x = 3,438,354,318,400/855,790
  6. Step 6: Final answer
    x = 4,017,754.73

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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.