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Finding the Third Proportional to 2,765.25 and 6,386.63

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Solution

The third proportional to 2,765.25 and 6,386.63 is: 14,750.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.25 : 6,386.63 = 6,386.63 : x
  2. Step 2: Convert to fraction form
    2,765.25/6,386.63 = 6,386.63/x
  3. Step 3: Cross multiply
    2,765.25x = 6,386.63 × 6,386.63
  4. Step 4: Simplify right side
    2,765.25x = 40,788,978.89
  5. Step 5: Solve for x
    x = 40,788,978.89/2,765.25
  6. Step 6: Final answer
    x = 14,750.56

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.