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Finding the Third Proportional to 855,788 and 1,854,276

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Solution

The third proportional to 855,788 and 1,854,276 is: 4,017,746.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,788 : 1,854,276 = 1,854,276 : x
  2. Step 2: Convert to fraction form
    855,788/1,854,276 = 1,854,276/x
  3. Step 3: Cross multiply
    855,788x = 1,854,276 × 1,854,276
  4. Step 4: Simplify right side
    855,788x = 3,438,339,484,176
  5. Step 5: Solve for x
    x = 3,438,339,484,176/855,788
  6. Step 6: Final answer
    x = 4,017,746.78

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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.