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Finding the Third Proportional to 1,852.88 and 2,860.31

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Solution

The third proportional to 1,852.88 and 2,860.31 is: 4,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.88 : 2,860.31 = 2,860.31 : x
  2. Step 2: Convert to fraction form
    1,852.88/2,860.31 = 2,860.31/x
  3. Step 3: Cross multiply
    1,852.88x = 2,860.31 × 2,860.31
  4. Step 4: Simplify right side
    1,852.88x = 8,181,387.60
  5. Step 5: Solve for x
    x = 8,181,387.60/1,852.88
  6. Step 6: Final answer
    x = 4,415.51

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.