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Finding the Third Proportional to 855,178.50 and 1,859,205

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Solution

The third proportional to 855,178.50 and 1,859,205 is: 4,042,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,178.50 : 1,859,205 = 1,859,205 : x
  2. Step 2: Convert to fraction form
    855,178.50/1,859,205 = 1,859,205/x
  3. Step 3: Cross multiply
    855,178.50x = 1,859,205 × 1,859,205
  4. Step 4: Simplify right side
    855,178.50x = 3,456,643,232,025
  5. Step 5: Solve for x
    x = 3,456,643,232,025/855,178.50
  6. Step 6: Final answer
    x = 4,042,013.72

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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.