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Finding the Third Proportional to 855,179 and 1,859,207

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Solution

The third proportional to 855,179 and 1,859,207 is: 4,042,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,179 : 1,859,207 = 1,859,207 : x
  2. Step 2: Convert to fraction form
    855,179/1,859,207 = 1,859,207/x
  3. Step 3: Cross multiply
    855,179x = 1,859,207 × 1,859,207
  4. Step 4: Simplify right side
    855,179x = 3,456,650,668,849
  5. Step 5: Solve for x
    x = 3,456,650,668,849/855,179
  6. Step 6: Final answer
    x = 4,042,020.06

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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.