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Finding the Third Proportional to 79,045.31 and 115,610.34

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Solution

The third proportional to 79,045.31 and 115,610.34 is: 169,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,045.31 : 115,610.34 = 115,610.34 : x
  2. Step 2: Convert to fraction form
    79,045.31/115,610.34 = 115,610.34/x
  3. Step 3: Cross multiply
    79,045.31x = 115,610.34 × 115,610.34
  4. Step 4: Simplify right side
    79,045.31x = 13,365,751,581.99
  5. Step 5: Solve for x
    x = 13,365,751,581.99/79,045.31
  6. Step 6: Final answer
    x = 169,089.74

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.