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Finding the Third Proportional to 65,761.88 and 143,825.63

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Solution

The third proportional to 65,761.88 and 143,825.63 is: 314,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,761.88 : 143,825.63 = 143,825.63 : x
  2. Step 2: Convert to fraction form
    65,761.88/143,825.63 = 143,825.63/x
  3. Step 3: Cross multiply
    65,761.88x = 143,825.63 × 143,825.63
  4. Step 4: Simplify right side
    65,761.88x = 20,685,810,406.64
  5. Step 5: Solve for x
    x = 20,685,810,406.64/65,761.88
  6. Step 6: Final answer
    x = 314,556.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.