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Finding the Third Proportional to 108,556.88 and 235,679.63

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Solution

The third proportional to 108,556.88 and 235,679.63 is: 511,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,556.88 : 235,679.63 = 235,679.63 : x
  2. Step 2: Convert to fraction form
    108,556.88/235,679.63 = 235,679.63/x
  3. Step 3: Cross multiply
    108,556.88x = 235,679.63 × 235,679.63
  4. Step 4: Simplify right side
    108,556.88x = 55,544,885,640.14
  5. Step 5: Solve for x
    x = 55,544,885,640.14/108,556.88
  6. Step 6: Final answer
    x = 511,666.22

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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.