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Finding the Third Proportional to 855,400.50 and 1,255,763.25

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Solution

The third proportional to 855,400.50 and 1,255,763.25 is: 1,843,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,400.50 : 1,255,763.25 = 1,255,763.25 : x
  2. Step 2: Convert to fraction form
    855,400.50/1,255,763.25 = 1,255,763.25/x
  3. Step 3: Cross multiply
    855,400.50x = 1,255,763.25 × 1,255,763.25
  4. Step 4: Simplify right side
    855,400.50x = 1,576,941,340,050.56
  5. Step 5: Solve for x
    x = 1,576,941,340,050.56/855,400.50
  6. Step 6: Final answer
    x = 1,843,512.30

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.